nfsd: fix crash on LOCKT on reexported NFSv3
authorJ. Bruce Fields <bfields@redhat.com>
Wed, 25 Aug 2021 02:36:03 +0000 (22:36 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 18 Sep 2021 11:42:18 +0000 (13:42 +0200)
commit8f2099803c30a124ee460179ade45cfb6327825a
treef0d7917572fd194b9bc82ebcd7c864132696fecf
parenta0cfe8cbbe0935381b13ee364560266becff63cf
nfsd: fix crash on LOCKT on reexported NFSv3

[ Upstream commit 0bcc7ca40bd823193224e9f38bafbd8325aaf566 ]

Unlike other filesystems, NFSv3 tries to use fl_file in the GETLK case.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/nfsd/nfs4state.c