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cifs: potential missing check for posix_lock_file_wait

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posix_lock_file_wait may fail under certain circumstances, and its result is
usually checked/returned. But given the complexity of cifs, I'm not sure if
the result is intentially left unchecked and always expected to succeed.

Signed-off-by: Chengyu Song <csong84@gatech.edu>
Acked-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Chengyu Song 2015-03-24 20:18:49 -04:00 committed by Steve French
parent 7196ac113a
commit 00b8c95b68
1 changed files with 2 additions and 2 deletions
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4
fs/cifs/file.c
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@ -1552,8 +1552,8 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
rc = server->ops->mand_unlock_range(cfile, flock, xid);
out:
if (flock->fl_flags & FL_POSIX)
posix_lock_file_wait(file, flock);
if (flock->fl_flags & FL_POSIX && !rc)
rc = posix_lock_file_wait(file, flock);
return rc;
}