wrapfs-2.6.33.y.git
3 years agoWrapfs: add ->bmap support wrapfs
Erez Zadok [Fri, 13 May 2022 23:41:00 +0000 (19:41 -0400)]
Wrapfs: add ->bmap support

Signed-off-by: Aditya Sonavane <aditya.sonavane@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.stonybrook.edu>
3 years agowrapfs: copyright year update
Erez Zadok [Sat, 7 May 2022 22:11:27 +0000 (18:11 -0400)]
wrapfs: copyright year update

3 years agowrapfs: change http URLs to https
Erez Zadok [Sat, 7 May 2022 20:47:39 +0000 (16:47 -0400)]
wrapfs: change http URLs to https

5 years agomerge changes
Erez Zadok [Sun, 15 Dec 2019 23:59:00 +0000 (18:59 -0500)]
merge changes

5 years agowrapfs: update copyright
Erez Zadok [Sat, 14 Dec 2019 05:04:45 +0000 (00:04 -0500)]
wrapfs: update copyright

5 years agowrapfs: remove unused variable
Erez Zadok [Sat, 14 Dec 2019 04:19:33 +0000 (23:19 -0500)]
wrapfs: remove unused variable

6 years agoupdate copyright
Erez Zadok [Fri, 29 Mar 2019 20:45:02 +0000 (16:45 -0400)]
update copyright

6 years agofix spell error
Erez Zadok [Fri, 29 Mar 2019 20:38:37 +0000 (16:38 -0400)]
fix spell error

8 years agoWrapfs: ->iget fixes
Erez Zadok [Sun, 19 Feb 2017 00:11:21 +0000 (19:11 -0500)]
Wrapfs: ->iget fixes

Change where we igrab/iput to ensure we always hold a valid lower_inode.
Return ENOMEM (not EACCES) if iget5_locked returns NULL.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
8 years agoWrapfs: update copyrights for 2017
Erez Zadok [Sat, 18 Feb 2017 20:13:48 +0000 (15:13 -0500)]
Wrapfs: update copyrights for 2017

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
9 years agoWrapfs: update nlinks after rename
Erez Zadok [Mon, 14 Dec 2015 23:54:25 +0000 (18:54 -0500)]
Wrapfs: update nlinks after rename

Signed-off-by: Logeswari P Viswanath <logeswari.pv@hpe.com>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
9 years agoWrapfs: update copyright year to 2015
Erez Zadok [Thu, 5 Nov 2015 01:18:49 +0000 (20:18 -0500)]
Wrapfs: update copyright year to 2015

9 years agoWrapfs: use vfs xattr helpers
Erez Zadok [Thu, 5 Nov 2015 01:18:48 +0000 (20:18 -0500)]
Wrapfs: use vfs xattr helpers

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: properly copy meta-data after AIO operations from lower inode
Erez Zadok [Sat, 16 Aug 2014 03:39:41 +0000 (23:39 -0400)]
Wrapfs: properly copy meta-data after AIO operations from lower inode

Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: leave placeholders for updating upper inode after AIO
Erez Zadok [Mon, 11 Aug 2014 23:31:32 +0000 (19:31 -0400)]
Wrapfs: leave placeholders for updating upper inode after AIO

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: protect lower_file by ref-count during aio operation
Erez Zadok [Sun, 10 Aug 2014 07:36:42 +0000 (03:36 -0400)]
Wrapfs: protect lower_file by ref-count during aio operation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
11 years agoWrapfs: fix ->llseek to update upper and lower offsets
Erez Zadok [Thu, 26 Jun 2014 03:47:15 +0000 (23:47 -0400)]
Wrapfs: fix ->llseek to update upper and lower offsets

Fixes bug: xfstests generic/257. f_pos consistently is required by and
only by dir_ops->wrapfs_readdir, main_ops is not affected.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
11 years ago Wrapfs: support extended attributes (xattr) operations
Erez Zadok [Thu, 26 Jun 2014 03:47:15 +0000 (23:47 -0400)]
 Wrapfs: support extended attributes (xattr) operations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
11 years agoWrapfs: support asynchronous-IO (AIO) operations
Erez Zadok [Sat, 21 Jun 2014 01:24:28 +0000 (21:24 -0400)]
Wrapfs: support asynchronous-IO (AIO) operations

Signed-off-by: Li Mengyang <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: support direct-IO (DIO) operations
Erez Zadok [Sat, 21 Jun 2014 01:24:28 +0000 (21:24 -0400)]
Wrapfs: support direct-IO (DIO) operations

Signed-off-by: Li Mengyang <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: implement vm_ops->page_mkwrite
Erez Zadok [Thu, 15 May 2014 04:15:54 +0000 (00:15 -0400)]
Wrapfs: implement vm_ops->page_mkwrite

Some file systems (e.g., ext4) require it.  Reported by Ted Ts'o.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: update documentation
Erez Zadok [Thu, 3 Apr 2014 17:38:02 +0000 (13:38 -0400)]
Wrapfs: update documentation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: update maintainers
Erez Zadok [Thu, 3 Apr 2014 17:37:58 +0000 (13:37 -0400)]
Wrapfs: update maintainers

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: update documentation
Erez Zadok [Tue, 21 Jan 2014 08:06:02 +0000 (03:06 -0500)]
Wrapfs: update documentation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
11 years agoWrapfs: 2014 Copyright update
Erez Zadok [Tue, 21 Jan 2014 06:09:41 +0000 (01:09 -0500)]
Wrapfs: 2014 Copyright update

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
12 years agoWrapfs: copy lower inode attributes in ->ioctl
Erez Zadok [Wed, 5 Jun 2013 05:43:54 +0000 (01:43 -0400)]
Wrapfs: copy lower inode attributes in ->ioctl

Some ioctls (e.g., EXT2_IOC_SETFLAGS) can change inode attributes, so copy
them from lower inode.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
12 years agoWrapfs: remove unnecessary call to vm_unmap in ->mmap
Erez Zadok [Wed, 5 Jun 2013 05:42:56 +0000 (01:42 -0400)]
Wrapfs: remove unnecessary call to vm_unmap in ->mmap

Code is unnecessary and causes deadlocks in newer kernels.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
12 years agopatch copyright-2013.patch
Erez Zadok [Mon, 3 Jun 2013 01:53:27 +0000 (21:53 -0400)]
patch copyright-2013.patch

13 years agoWrapfs: drop our dentry in ->rmdir
Erez Zadok [Fri, 9 Sep 2011 04:44:20 +0000 (00:44 -0400)]
Wrapfs: drop our dentry in ->rmdir

Also clear nlinks on our inode.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: lookup fixes
Erez Zadok [Mon, 2 May 2011 06:00:02 +0000 (02:00 -0400)]
Wrapfs: lookup fixes

Don't use lookup_one_len any longer (doesn't work for NFS).
Initialize lower wrapfs_dentry_info so lower_path is NULL.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: remove extra debug in rmdir
Erez Zadok [Fri, 18 Mar 2011 17:14:28 +0000 (13:14 -0400)]
Wrapfs: remove extra debug in rmdir

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: checkpatch fixes
Erez Zadok [Fri, 18 Mar 2011 16:37:36 +0000 (12:37 -0400)]
Wrapfs: checkpatch fixes

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: copyright update for 2011
Erez Zadok [Fri, 18 Mar 2011 03:04:47 +0000 (23:04 -0400)]
Wrapfs: copyright update for 2011

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: better handling of NFS silly-renamed files
Erez Zadok [Fri, 18 Mar 2011 03:04:47 +0000 (23:04 -0400)]
Wrapfs: better handling of NFS silly-renamed files

In ->unlink, if we try to unlink an NFS silly-renamed file, NFS returns
-EBUSY.  We have to treat it as a success and return 0 to the VFS.  NFS will
remove silly-deleted files later on anyway.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: update parent directory inode size in inode ops
Erez Zadok [Fri, 18 Mar 2011 03:04:47 +0000 (23:04 -0400)]
Wrapfs: update parent directory inode size in inode ops

After ->unlink, ->rmdir, and ->rename, we need to copy the (possibly
changed) inode size of the parent directory(ies) where the operation took
place.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: remove unnecessary calls to copy lower inode->n_links
Erez Zadok [Fri, 18 Mar 2011 03:04:47 +0000 (23:04 -0400)]
Wrapfs: remove unnecessary calls to copy lower inode->n_links

Removed from ->create, ->symlink, and ->mknod.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: ->setattr fixes
Erez Zadok [Tue, 8 Mar 2011 06:05:07 +0000 (01:05 -0500)]
Wrapfs: ->setattr fixes

Call inode_change_ok on our inode, not lower.
Don't copy inode sizes (VFS does it).
Pass lower file in struct iattr passed to notify_change on lower inode.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: update documentation
Erez Zadok [Wed, 21 Apr 2010 01:24:39 +0000 (21:24 -0400)]
Wrapfs: update documentation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: avoid an extra path_get/put pair in wrapfs_open
Erez Zadok [Tue, 20 Apr 2010 18:30:09 +0000 (14:30 -0400)]
Wrapfs: avoid an extra path_get/put pair in wrapfs_open

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: decrement nd_path on follow_link error
Erez Zadok [Wed, 27 Jan 2010 00:19:32 +0000 (19:19 -0500)]
Wrapfs: decrement nd_path on follow_link error

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: don't mention kernel version in modload message
Erez Zadok [Tue, 5 Jan 2010 09:27:00 +0000 (04:27 -0500)]
Wrapfs: don't mention kernel version in modload message

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs/VFS: remove init_lower_nd and unexport release_lower_nd
Erez Zadok [Tue, 5 Jan 2010 09:28:11 +0000 (04:28 -0500)]
Wrapfs/VFS: remove init_lower_nd and unexport release_lower_nd

Only wrapfs_create used it, and it is unnecessary to init a completely new
nameidata for the lower file system.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoVFS: add lockdep annotation to s_vfs_rename_key for ecryptfs
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
VFS: add lockdep annotation to s_vfs_rename_key for ecryptfs

 >  =============================================
 >  [ INFO: possible recursive locking detected ]
 >  2.6.31-2-generic #14~rbd3
 >  ---------------------------------------------
 >  firefox-3.5/4162 is trying to acquire lock:
 >   (&s->s_vfs_rename_mutex){+.+.+.}, at: [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >
 >  but task is already holding lock:
 >   (&s->s_vfs_rename_mutex){+.+.+.}, at: [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >
 >  other info that might help us debug this:
 >  3 locks held by firefox-3.5/4162:
 >   #0:  (&s->s_vfs_rename_mutex){+.+.+.}, at: [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >   #1:  (&sb->s_type->i_mutex_key#11/1){+.+.+.}, at: [<ffffffff81139d5a>] lock_rename+0x6a/0xf0
 >   #2:  (&sb->s_type->i_mutex_key#11/2){+.+.+.}, at: [<ffffffff81139d6f>] lock_rename+0x7f/0xf0
 >
 >  stack backtrace:
 >  Pid: 4162, comm: firefox-3.5 Tainted: G         C 2.6.31-2-generic #14~rbd3
 >  Call Trace:
 >   [<ffffffff8108ae74>] print_deadlock_bug+0xf4/0x100
 >   [<ffffffff8108ce26>] validate_chain+0x4c6/0x750
 >   [<ffffffff8108d2e7>] __lock_acquire+0x237/0x430
 >   [<ffffffff8108d585>] lock_acquire+0xa5/0x150
 >   [<ffffffff81139d31>] ? lock_rename+0x41/0xf0
 >   [<ffffffff815526ad>] __mutex_lock_common+0x4d/0x3d0
 >   [<ffffffff81139d31>] ? lock_rename+0x41/0xf0
 >   [<ffffffff81139d31>] ? lock_rename+0x41/0xf0
 >   [<ffffffff8120eaf9>] ? ecryptfs_rename+0x99/0x170
 >   [<ffffffff81552b36>] mutex_lock_nested+0x46/0x60
 >   [<ffffffff81139d31>] lock_rename+0x41/0xf0
 >   [<ffffffff8120eb2a>] ecryptfs_rename+0xca/0x170
 >   [<ffffffff81139a9e>] vfs_rename_dir+0x13e/0x160
 >   [<ffffffff8113ac7e>] vfs_rename+0xee/0x290
 >   [<ffffffff8113c212>] ? __lookup_hash+0x102/0x160
 >   [<ffffffff8113d512>] sys_renameat+0x252/0x280
 >   [<ffffffff81133eb4>] ? cp_new_stat+0xe4/0x100
 >   [<ffffffff8101316a>] ? sysret_check+0x2e/0x69
 >   [<ffffffff8108c34d>] ? trace_hardirqs_on_caller+0x14d/0x190
 >   [<ffffffff8113d55b>] sys_rename+0x1b/0x20
 >   [<ffffffff81013132>] system_call_fastpath+0x16/0x1b

The trace above is totally reproducible by doing a cross-directory
rename on an ecryptfs directory.

The issue seems to be that sys_renameat() does lock_rename() then calls
into the filesystem; if the filesystem is ecryptfs, then
ecryptfs_rename() again does lock_rename() on the lower filesystem, and
lockdep can't tell that the two s_vfs_rename_mutexes are different.  It
seems an annotation like the following is sufficient to fix this (it
does get rid of the lockdep trace in my simple tests); however I would
like to make sure I'm not misunderstanding the locking, hence the CC
list...

Signed-off-by: Roland Dreier <rdreier@cisco.com>
Cc: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Cc: Dustin Kirkland <kirkland@canonical.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
13 years agoKconfig: hook to configure Wrapfs
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Kconfig: hook to configure Wrapfs

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoMakefile: hook to compile Wrapfs
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Makefile: hook to compile Wrapfs

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoVFS: export release_open_intent symbol
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
VFS: export release_open_intent symbol

Needed to release the resources of the lower nameidata structures that we
create and pass to lower file systems (e.g., when calling vfs_create).

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: file system magic number
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: file system magic number

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: Kconfig options
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: Kconfig options

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: main Makefile
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: main Makefile

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: vm_ops operations
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: vm_ops operations

Includes necessary address_space workaround ops.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: mount-time and module-linkage functions
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: mount-time and module-linkage functions

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: lookup-related functions
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: lookup-related functions

Main lookup function, nameidata helpers, and stacking-interposition
functions.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: file operations
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: file operations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: dentry operations
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: dentry operations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: inode operations
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: inode operations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: superblock operations
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: superblock operations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: main header file
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: main header file

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: Maintainers
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: Maintainers

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoDocumentation: index entry for Wrapfs
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Documentation: index entry for Wrapfs

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoWrapfs: introduction and usage documentation
Erez Zadok [Tue, 5 Jan 2010 01:45:06 +0000 (20:45 -0500)]
Wrapfs: introduction and usage documentation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
13 years agoLinux 2.6.33.20 master v2.6.33.20
Greg Kroah-Hartman [Mon, 7 Nov 2011 22:19:03 +0000 (14:19 -0800)]
Linux 2.6.33.20

13 years agoext2,ext3,ext4: don't inherit APPEND_FL or IMMUTABLE_FL for new inodes
Theodore Ts'o [Wed, 31 Aug 2011 15:54:51 +0000 (11:54 -0400)]
ext2,ext3,ext4: don't inherit APPEND_FL or IMMUTABLE_FL for new inodes

commit 1cd9f0976aa4606db8d6e3dc3edd0aca8019372a upstream.

This doesn't make much sense, and it exposes a bug in the kernel where
attempts to create a new file in an append-only directory using
O_CREAT will fail (but still leave a zero-length file).  This was
discovered when xfstests #79 was generalized so it could run on all
file systems.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agodrivers/net/rionet.c: fix ethernet address macros for LE platforms
Alexandre Bounine [Wed, 2 Nov 2011 20:39:15 +0000 (13:39 -0700)]
drivers/net/rionet.c: fix ethernet address macros for LE platforms

commit e0c87bd95e8dad455c23bc56513af8dcb1737e55 upstream.

Modify Ethernet addess macros to be compatible with BE/LE platforms

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Chul Kim <chul.kim@idt.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoext4: fix BUG_ON() in ext4_ext_insert_extent()
Zheng Liu [Fri, 28 Oct 2011 12:34:02 +0000 (20:34 +0800)]
ext4: fix BUG_ON() in ext4_ext_insert_extent()

Does not corrispond with a direct commit in Linus's tree as it was fixed
differently in the 3.0 release.

We will meet with a BUG_ON() if following script is run.

mkfs.ext4 -b 4096 /dev/sdb1 1000000
mount -t ext4 /dev/sdb1 /mnt/sdb1
fallocate -l 100M /mnt/sdb1/test
sync
for((i=0;i<170;i++))
do
        dd if=/dev/zero of=/mnt/sdb1/test conv=notrunc bs=256k count=1
seek=`expr $i \* 2`
done
umount /mnt/sdb1
mount -t ext4 /dev/sdb1 /mnt/sdb1
dd if=/dev/zero of=/mnt/sdb1/test conv=notrunc bs=256k count=1 seek=341
umount /mnt/sdb1
mount /dev/sdb1 /mnt/sdb1
dd if=/dev/zero of=/mnt/sdb1/test conv=notrunc bs=256k count=1 seek=340
sync

The reason is that it forgot to mark dirty when splitting two extents in
ext4_ext_convert_to_initialized(). Althrough ex has been updated in
memory, it is not dirtied both in ext4_ext_convert_to_initialized() and
ext4_ext_insert_extent(). The disk layout is corrupted. Then it will
meet with a BUG_ON() when writting at the start of that extent again.

Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Xiaoyun Mao <xiaoyun.maoxy@aliyun-inc.com>
Cc: Yingbin Wang <yingbin.wangyb@aliyun-inc.com>
Cc: Jia Wan <jia.wanj@aliyun-inc.com>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agonet_sched: Fix qdisc_notify()
Eric Dumazet [Sat, 22 May 2010 20:37:44 +0000 (20:37 +0000)]
net_sched: Fix qdisc_notify()

commit 53b0f08042f04813cd1a7473dacd3edfacb28eb3 upstream.

Ben Pfaff reported a kernel oops and provided a test program to
reproduce it.

https://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805

tc_fill_qdisc() should not be called for builtin qdisc, or it
dereference a NULL pointer to get device ifindex.

Fix is to always use tc_qdisc_dump_ignore() before calling
tc_fill_qdisc().

Reported-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agonl80211: fix overflow in ssid_len
Luciano Coelho [Tue, 7 Jun 2011 17:42:26 +0000 (20:42 +0300)]
nl80211: fix overflow in ssid_len

commit 57a27e1d6a3bb9ad4efeebd3a8c71156d6207536 upstream.

When one of the SSID's length passed in a scan or sched_scan request
is larger than 255, there will be an overflow in the u8 that is used
to store the length before checking.  This causes the check to fail
and we overrun the buffer when copying the SSID.

Fix this by checking the nl80211 attribute length before copying it to
the struct.

This is a follow up for the previous commit
208c72f4fe44fe09577e7975ba0e7fa0278f3d03, which didn't fix the problem
entirely.

Reported-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoBluetooth: Prevent buffer overflow in l2cap config request
Dan Rosenberg [Fri, 24 Jun 2011 12:38:05 +0000 (08:38 -0400)]
Bluetooth: Prevent buffer overflow in l2cap config request

commit 7ac28817536797fd40e9646452183606f9e17f71 upstream.

A remote user can provide a small value for the command size field in
the command header of an l2cap configuration request, resulting in an
integer underflow when subtracting the size of the configuration request
header.  This results in copying a very large amount of data via
memcpy() and destroying the kernel heap.  Check for underflow.

Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agovm: fix vm_pgoff wrap in upward expansion
Hugh Dickins [Tue, 10 May 2011 00:44:42 +0000 (17:44 -0700)]
vm: fix vm_pgoff wrap in upward expansion

commit 42c36f63ac1366ab0ecc2d5717821362c259f517 upstream.

Commit a626ca6a6564 ("vm: fix vm_pgoff wrap in stack expansion") fixed
the case of an expanding mapping causing vm_pgoff wrapping when you had
downward stack expansion.  But there was another case where IA64 and
PA-RISC expand mappings: upward expansion.

This fixes that case too.

Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agovm: fix vm_pgoff wrap in stack expansion
Linus Torvalds [Wed, 13 Apr 2011 15:07:28 +0000 (08:07 -0700)]
vm: fix vm_pgoff wrap in stack expansion

commit a626ca6a656450e9f4df91d0dda238fff23285f4 upstream.

Commit 982134ba6261 ("mm: avoid wrapping vm_pgoff in mremap()") fixed
the case of a expanding mapping causing vm_pgoff wrapping when you used
mremap.  But there was another case where we expand mappings hiding in
plain sight: the automatic stack expansion.

This fixes that case too.

This one also found by Robert Święcki, using his nasty system call
fuzzer tool.  Good job.

Reported-and-tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoBluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace.
Filip Palian [Thu, 12 May 2011 17:32:46 +0000 (19:32 +0200)]
Bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace.

commit 8d03e971cf403305217b8e62db3a2e5ad2d6263f upstream.

Structures "l2cap_conninfo" and "rfcomm_conninfo" have one padding
byte each. This byte in "cinfo" is copied to userspace uninitialized.

Signed-off-by: Filip Palian <filip.palian@pjwstk.edu.pl>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoNLM: Don't hang forever on NLM unlock requests
Trond Myklebust [Tue, 31 May 2011 19:15:34 +0000 (15:15 -0400)]
NLM: Don't hang forever on NLM unlock requests

commit 0b760113a3a155269a3fba93a409c640031dd68f upstream.

If the NLM daemon is killed on the NFS server, we can currently end up
hanging forever on an 'unlock' request, instead of aborting. Basically,
if the rpcbind request fails, or the server keeps returning garbage, we
really want to quit instead of retrying.

Tested-by: Vasily Averin <vvs@sw.ru>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoscm: lower SCM_MAX_FD
Eric Dumazet [Tue, 23 Nov 2010 14:09:15 +0000 (14:09 +0000)]
scm: lower SCM_MAX_FD

commit bba14de98753cb6599a2dae0e520714b2153522d upstream.

Lower SCM_MAX_FD from 255 to 253 so that allocations for scm_fp_list are
halved. (commit f8d570a4 added two pointers in this structure)

scm_fp_dup() should not copy whole structure (and trigger kmemcheck
warnings), but only the used part. While we are at it, only allocate
needed size.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agothinkpad-acpi: module autoloading for newer Lenovo ThinkPads.
Manoj Iyer [Thu, 20 Oct 2011 18:50:25 +0000 (20:50 +0200)]
thinkpad-acpi: module autoloading for newer Lenovo ThinkPads.

commit 9fbdaeb4f4dd14a0caa9fc35c496d5440c251a3a upstream.

The newer Lenovo ThinkPads have HKEY HID of LEN0068 instead
of IBM0068. Added new HID so that thinkpad_acpi module will
auto load on these newer Lenovo ThinkPads.

Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: stable@vger.kernel.org
Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agokcore: fix test for end of list
Dan Carpenter [Tue, 23 Mar 2010 20:35:42 +0000 (13:35 -0700)]
kcore: fix test for end of list

commit 4fd2c20d964a8fb9861045f1022475c9d200d684 upstream.

"m" is never NULL here.  We need a different test for the end of list
condition.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Leonardo Chiquitto <leonardo.lists@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agowatchdog: mtx1-wdt: fix build failure
Florian Fainelli [Mon, 17 Oct 2011 17:47:44 +0000 (19:47 +0200)]
watchdog: mtx1-wdt: fix build failure

Commit 72b6e8a847 (watchdog: mtx1-wdt: request gpio before using it) was
backported from upstream. The patch is using a gpiolib call which is only
available in kernel 2.6.34+. Fix build by using the "old" gpiolib API
instead.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoRevert "usb: musb: restore INDEX register in resume path"
Greg Kroah-Hartman [Wed, 2 Nov 2011 21:04:11 +0000 (14:04 -0700)]
Revert "usb: musb: restore INDEX register in resume path"

This reverts commit 5aa8a93b5d44724f1f63357b300eca208fb069d0.

Turns out this breaks the build, and as such, really isn't needed for
the 2.6.33-stable branch at all.

Reported-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Ajay Kumar Gupta <ajay.gupta@ti.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoRevert "MIPS: MTX-1: Make au1000_eth probe all PHY
Florian Fainelli [Mon, 17 Oct 2011 17:43:06 +0000 (19:43 +0200)]
Revert "MIPS: MTX-1: Make au1000_eth probe all PHY

Commit 34dce55d was not applicable in 2.6.33 and introduces a build breakage.
Revert that commit since it is irrelevant for this kernel version.

Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
13 years agogro: Re-fix different skb headrooms
Jarek Poplawski [Sat, 4 Sep 2010 10:34:29 +0000 (10:34 +0000)]
gro: Re-fix different skb headrooms

commit 64289c8e6851bca0e589e064c9a5c9fbd6ae5dd4 upstream.

The patch: "gro: fix different skb headrooms" in its part:
"2) allocate a minimal skb for head of frag_list" is buggy. The copied
skb has p->data set at the ip header at the moment, and skb_gro_offset
is the length of ip + tcp headers. So, after the change the length of
mac header is skipped. Later skb_set_mac_header() sets it into the
NET_SKB_PAD area (if it's long enough) and ip header is misaligned at
NET_SKB_PAD + NET_IP_ALIGN offset. There is no reason to assume the
original skb was wrongly allocated, so let's copy it as it was.

bugzilla : https://bugzilla.kernel.org/show_bug.cgi?id=16626
fixes commit: 3d3be4333fdf6faa080947b331a6a19bce1a4f57

Reported-by: Plamen Petrov <pvp-lsts@fs.uni-ruse.bg>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Tested-by: Plamen Petrov <pvp-lsts@fs.uni-ruse.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agogro: fix different skb headrooms
Eric Dumazet [Wed, 1 Sep 2010 00:50:51 +0000 (00:50 +0000)]
gro: fix different skb headrooms

commit 3d3be4333fdf6faa080947b331a6a19bce1a4f57 upstream.

Packets entering GRO might have different headrooms, even for a given
flow (because of implementation details in drivers, like copybreak).
We cant force drivers to deliver packets with a fixed headroom.

1) fix skb_segment()

skb_segment() makes the false assumption headrooms of fragments are same
than the head. When CHECKSUM_PARTIAL is used, this can give csum_start
errors, and crash later in skb_copy_and_csum_dev()

2) allocate a minimal skb for head of frag_list

skb_gro_receive() uses netdev_alloc_skb(headroom + skb_gro_offset(p)) to
allocate a fresh skb. This adds NET_SKB_PAD to a padding already
provided by netdevice, depending on various things, like copybreak.

Use alloc_skb() to allocate an exact padding, to reduce cache line
needs:
NET_SKB_PAD + NET_IP_ALIGN

bugzilla : https://bugzilla.kernel.org/show_bug.cgi?id=16626

Many thanks to Plamen Petrov, testing many debugging patches !
With help of Jarek Poplawski.

Reported-by: Plamen Petrov <pvp-lsts@fs.uni-ruse.bg>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Jarek Poplawski <jarkao2@gmail.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agonet: Fix a memmove bug in dev_gro_receive()
Jarek Poplawski [Wed, 11 Aug 2010 02:02:10 +0000 (02:02 +0000)]
net: Fix a memmove bug in dev_gro_receive()

commit e5093aec2e6b60c3df2420057ffab9ed4a6d2792 upstream.

>Xin Xiaohui wrote:
> I looked into the code dev_gro_receive(), found the code here:
> if the frags[0] is pulled to 0, then the page will be released,
> and memmove() frags left.
> Is that right? I'm not sure if memmove do right or not, but
> frags[0].size is never set after memove at least. what I think
> a simple way is not to do anything if we found frags[0].size == 0.
> The patch is as followed.
...

This version of the patch fixes the bug directly in memmove.

Reported-by: "Xin, Xiaohui" <xiaohui.xin@intel.com>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoplat-mxc: iomux-v3.h: implicitly enable pull-up/down when that's desired
Paul Fertser [Mon, 10 Oct 2011 07:19:23 +0000 (11:19 +0400)]
plat-mxc: iomux-v3.h: implicitly enable pull-up/down when that's desired

commit 6571534b600b8ca1936ff5630b9e0947f21faf16 upstream.

To configure pads during the initialisation a set of special constants
is used, e.g.
#define MX25_PAD_FEC_MDIO__FEC_MDIO IOMUX_PAD(0x3c4, 0x1cc, 0x10, 0, 0, PAD_CTL_HYS | PAD_CTL_PUS_22K_UP)

The problem is that no pull-up/down is getting activated unless both
PAD_CTL_PUE (pull-up enable) and PAD_CTL_PKE (pull/keeper module
enable) set. This is clearly stated in the i.MX25 datasheet and is
confirmed by the measurements on hardware. This leads to some rather
hard to understand bugs such as misdetecting an absent ethernet PHY (a
real bug i had), unstable data transfer etc. This might affect mx25,
mx35, mx50, mx51 and mx53 SoCs.

It's reasonable to expect that if the pullup value is specified, the
intention was to have it actually active, so we implicitly add the
needed bits.

Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agotuner_xc2028: Allow selection of the frequency adjustment code for XC3028
Mauro Carvalho Chehab [Thu, 28 Jul 2011 19:38:54 +0000 (16:38 -0300)]
tuner_xc2028: Allow selection of the frequency adjustment code for XC3028

commit 9bed77ee2fb46b74782d0d9d14b92e9d07f3df6e upstream.

This device is not using the proper demod IF. Instead of using the
IF macro, it is specifying a IF frequency. This doesn't work, as xc3028
needs to load an specific SCODE for the tuner. In this case, there's
no IF table for 5 MHz.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agouvcvideo: Set alternate setting 0 on resume if the bus has been reset
Ming Lei [Sat, 16 Jul 2011 03:51:00 +0000 (00:51 -0300)]
uvcvideo: Set alternate setting 0 on resume if the bus has been reset

commit d59a7b1dbce8b972ec2dc9fcaaae0bfa23687423 upstream.

If the bus has been reset on resume, set the alternate setting to 0.
This should be the default value, but some devices crash or otherwise
misbehave if they don't receive a SET_INTERFACE request before any other
video control request.

Microdia's 0c45:6437 camera has been found to require this change or it
will stop sending video data after resume.

uvc_video.c]

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agocarminefb: Fix module parameters permissions
Jean Delvare [Fri, 8 Jul 2011 09:04:38 +0000 (11:04 +0200)]
carminefb: Fix module parameters permissions

commit c84c14224bbca6ec60d5851fcc87be0e34df2f44 upstream.

The third parameter of module_param is supposed to be an octal value.
The missing leading "0" causes the following:

$ ls -l /sys/module/carminefb/parameters/
total 0
-rw-rwxr-- 1 root root 4096 Jul  8 08:55 fb_displays
-rw-rwxr-- 1 root root 4096 Jul  8 08:55 fb_mode
-rw-rwxr-- 1 root root 4096 Jul  8 08:55 fb_mode_str

After fixing the perm parameter, we get the expected:

$ ls -l /sys/module/carminefb/parameters/
total 0
-r--r--r-- 1 root root 4096 Jul  8 08:56 fb_displays
-r--r--r-- 1 root root 4096 Jul  8 08:56 fb_mode
-r--r--r-- 1 root root 4096 Jul  8 08:56 fb_mode_str

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoiommu/amd: Fix wrong shift direction
Joerg Roedel [Tue, 11 Oct 2011 15:41:32 +0000 (17:41 +0200)]
iommu/amd: Fix wrong shift direction

commit fcd0861db1cf4e6ed99f60a815b7b72c2ed36ea4 upstream.

The shift direction was wrong because the function takes a
page number and i is the address is the loop.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoccwgroup: move attributes to attribute group
Sebastian Ott [Sun, 30 Oct 2011 14:16:52 +0000 (15:16 +0100)]
ccwgroup: move attributes to attribute group

commit dbdf1afcaaabe83dea15a3cb9b9013e73ae3b1ad upstream.

Put sysfs attributes of ccwgroup devices in an attribute group to
ensure that these attributes are actually present when userspace
is notified via uevents.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoKVM: s390: check cpu_id prior to using it
Carsten Otte [Tue, 18 Oct 2011 10:27:12 +0000 (12:27 +0200)]
KVM: s390: check cpu_id prior to using it

commit 4d47555a80495657161a7e71ec3014ff2021e450 upstream.

We use the cpu id provided by userspace as array index here. Thus we
clearly need to check it first. Ooops.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoASoC: ak4535: fixup cache register table
Axel Lin [Thu, 13 Oct 2011 09:17:06 +0000 (17:17 +0800)]
ASoC: ak4535: fixup cache register table

commit 7c04241acbdaf97f1448dcccd27ea0fcd1a57684 upstream.

ak4535_reg should be 8bit, but cache table is defined as 16bit.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoASoC: ak4642: fixup cache register table
Kuninori Morimoto [Thu, 13 Oct 2011 09:03:54 +0000 (02:03 -0700)]
ASoC: ak4642: fixup cache register table

commit 19b115e523208a926813751aac8934cf3fc6085e upstream.

ak4642 register was 8bit, but cache table was defined as 16bit.
ak4642 doesn't work correctry without this patch.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agonfsd4: ignore WANT bits in open downgrade
J. Bruce Fields [Mon, 10 Oct 2011 21:34:31 +0000 (17:34 -0400)]
nfsd4: ignore WANT bits in open downgrade

commit c30e92df30d7d5fe65262fbce5d1b7de675fe34e upstream.

We don't use WANT bits yet--and sending them can probably trigger a
BUG() further down.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agonfsd4: fix seqid_mutating_error
J. Bruce Fields [Wed, 10 Aug 2011 23:16:22 +0000 (19:16 -0400)]
nfsd4: fix seqid_mutating_error

commit 576163005de286bbd418fcb99cfd0971523a0c6d upstream.

The set of errors here does *not* agree with the set of errors specified
in the rfc!

While we're there, turn this macros into a function, for the usual
reasons, and move it to the one place where it's actually used.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agonfsd4: Remove check for a 32-bit cookie in nfsd4_readdir()
Bernd Schubert [Mon, 8 Aug 2011 15:38:08 +0000 (17:38 +0200)]
nfsd4: Remove check for a 32-bit cookie in nfsd4_readdir()

commit 832023bffb4b493f230be901f681020caf3ed1f8 upstream.

Fan Yong <yong.fan@whamcloud.com> noticed setting
FMODE_32bithash wouldn't work with nfsd v4, as
nfsd4_readdir() checks for 32 bit cookies. However, according to RFC 3530
cookies have a 64 bit type and cookies are also defined as u64 in
'struct nfsd4_readdir'. So remove the test for >32-bit values.

Signed-off-by: Bernd Schubert <bernd.schubert@itwm.fraunhofer.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agotracing: Fix returning of duplicate data after EOF in trace_pipe_raw
Steven Rostedt [Fri, 14 Oct 2011 14:44:25 +0000 (10:44 -0400)]
tracing: Fix returning of duplicate data after EOF in trace_pipe_raw

commit 436fc280261dcfce5af38f08b89287750dc91cd2 upstream.

The trace_pipe_raw handler holds a cached page from the time the file
is opened to the time it is closed. The cached page is used to handle
the case of the user space buffer being smaller than what was read from
the ring buffer. The left over buffer is held in the cache so that the
next read will continue where the data left off.

After EOF is returned (no more data in the buffer), the index of
the cached page is set to zero. If a user app reads the page again
after EOF, the check in the buffer will see that the cached page
is less than page size and will return the cached page again. This
will cause reading the trace_pipe_raw again after EOF to return
duplicate data, making the output look like the time went backwards
but instead data is just repeated.

The fix is to not reset the index right after all data is read
from the cache, but to reset it after all data is read and more
data exists in the ring buffer.

Reported-by: Jeremy Eder <jeder@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agotime: Change jiffies_to_clock_t() argument type to unsigned long
hank [Tue, 20 Sep 2011 20:53:39 +0000 (13:53 -0700)]
time: Change jiffies_to_clock_t() argument type to unsigned long

commit cbbc719fccdb8cbd87350a05c0d33167c9b79365 upstream.

The parameter's origin type is long. On an i386 architecture, it can
easily be larger than 0x80000000, causing this function to convert it
to a sign-extended u64 type.

Change the type to unsigned long so we get the correct result.

Signed-off-by: hank <pyu@redhat.com>
Cc: John Stultz <john.stultz@linaro.org>
[ build fix ]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agokmod: prevent kmod_loop_msg overflow in __request_module()
Jiri Kosina [Wed, 26 Oct 2011 02:40:39 +0000 (13:10 +1030)]
kmod: prevent kmod_loop_msg overflow in __request_module()

commit 37252db6aa576c34fd794a5a54fb32d7a8b3a07a upstream.

Due to post-increment in condition of kmod_loop_msg in __request_module(),
the system log can be spammed by much more than 5 instances of the 'runaway
loop' message if the number of events triggering it makes the kmod_loop_msg
to overflow.

Fix that by making sure we never increment it past the threshold.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agokobj_uevent: Ignore if some listeners cannot handle message
Milan Broz [Mon, 22 Aug 2011 13:51:34 +0000 (15:51 +0200)]
kobj_uevent: Ignore if some listeners cannot handle message

commit ebf4127cd677e9781b450e44dfaaa1cc595efcaa upstream.

kobject_uevent() uses a multicast socket and should ignore
if one of listeners cannot handle messages or nobody is
listening at all.

Easily reproducible when a process in system is cloned
with CLONE_NEWNET flag.

(See also http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/5256)

Signed-off-by: Milan Broz <mbroz@redhat.com>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoUpdate email address for stable patch submission
Josh Boyer [Tue, 18 Oct 2011 01:16:39 +0000 (21:16 -0400)]
Update email address for stable patch submission

commit 5fa224295f0e0358c8bc0e5390702338df889def upstream.

The stable@kernel.org email address has been replaced with the
stable@vger.kernel.org mailing list.  Change the stable kernel rules to
reference the new list instead of the semi-defunct email alias.

Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoQE/FHCI: fixed the CONTROL bug
Jerry Huang [Tue, 18 Oct 2011 05:09:48 +0000 (13:09 +0800)]
QE/FHCI: fixed the CONTROL bug

commit 273d23574f9dacd9c63c80e7d63639a669aad441 upstream.

For USB CONTROL transaction, when the data length is zero,
the IN package is needed to finish this transaction in status stage.

Signed-off-by: Jerry Huang <r66093@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoUSB: ftdi_sio: Support TI/Luminary Micro Stellaris BD-ICDI Board
Peter Stuge [Mon, 10 Oct 2011 01:34:54 +0000 (03:34 +0200)]
USB: ftdi_sio: Support TI/Luminary Micro Stellaris BD-ICDI Board

commit 3687f641307eeff6f7fe31a88dc39db88e89238b upstream.

Some Stellaris evaluation kits have the JTAG/SWD FTDI chip onboard,
and some, like EK-LM3S9B90, come with a separate In-Circuit Debugger
Interface Board. The ICDI board can also be used stand-alone, for
other boards and chips than the kit it came with. The ICDI has both
old style 20-pin JTAG connector and new style JTAG/SWD 10-pin 1.27mm
pitch connector.

Tested with EK-LM3S9B90, where the BD-ICDI board is included.

Signed-off-by: Peter Stuge <peter@stuge.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoUSB: ftdi_sio: add PID for Sony Ericsson Urban
Hakan Kvist [Mon, 3 Oct 2011 11:41:15 +0000 (13:41 +0200)]
USB: ftdi_sio: add PID for Sony Ericsson Urban

commit 74bdf22b5c3858b06af46f19d05c23e76c40a3bb upstream.

Add PID 0xfc8a, 0xfc8b for device Sony Ericsson Urban

Signed-off-by: Hakan Kvist <hakan.kvist@sonyericsson.com>
Signed-off-by: Oskar Andero <oskar.andero@sonyericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>