From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Tue, 26 Aug 2008 19:07:49 +0000 (-0400)
Subject: Unionfs: don't open unhashed files
X-Git-Tag: unionfs-2.5~13
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=4b37b26519b07adfe5e2dbabf8ef062cd3d8c2db;p=unionfs-2.6.31.y.git

Unionfs: don't open unhashed files

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---

diff --git a/fs/unionfs/commonfops.c b/fs/unionfs/commonfops.c
index 51f10a23d28..7711f93acf5 100644
--- a/fs/unionfs/commonfops.c
+++ b/fs/unionfs/commonfops.c
@@ -601,6 +601,12 @@ int unionfs_open(struct inode *inode, struct file *file)
 		goto out_nofree;
 	}
 
+	/* don't open unhashed/deleted files */
+	if (d_deleted(dentry)) {
+		err = -ENOENT;
+		goto out_nofree;
+	}
+
 	file->private_data =
 		kzalloc(sizeof(struct unionfs_file_info), GFP_KERNEL);
 	if (unlikely(!UNIONFS_F(file))) {