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lockd: ensure we use the correct file descriptor when unlocking
authorJeff Layton <jlayton@kernel.org>
Fri, 11 Nov 2022 19:36:37 +0000 (14:36 -0500)
committerChuck Lever <cel@kernel.org>
Sat, 10 Dec 2022 16:01:11 +0000 (11:01 -0500)
commit69efce009f7df888e1fede3cb2913690eb829f52
treeda0b6a9ec8c3ba194ec80ba28621ff901cccc38f
parent75c7940d2a86d3f1b60a0a265478cb8fc887b970
lockd: ensure we use the correct file descriptor when unlocking

Shared locks are set on O_RDONLY descriptors and exclusive locks are set
on O_WRONLY ones. nlmsvc_unlock however calls vfs_lock_file twice, once
for each descriptor, but it doesn't reset fl_file. Ensure that it does.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
fs/lockd/svclock.c