[PATCH 5.15 072/167] lockd: fix nlm_close_files

Greg Kroah-Hartman
2022-07-19T12:38:17Z

From: Jeff Layton <jlayton@kernel.org>

[ Upstream commit 1197eb5906a5464dbaea24cac296dfc38499cc00 ]

This loop condition tries a bit too hard to be clever. Just test for
the two indices we care about explicitly.

Cc: J. Bruce Fields <bfields@fieldses.org>
Fixes: 7f024fcd5c97 ("Keep read and write fds with each nlm_file")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/lockd/svcsubs.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index b2f277727469..e1c4617de771 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -283,11 +283,10 @@ nlm_file_inuse(struct nlm_file *file)

static void nlm_close_files(struct nlm_file *file)
{
- struct file *f;
-
- for (f = file->f_file[0]; f <= file->f_file[1]; f++)
- if (f)
- nlmsvc_ops->fclose(f);
+ if (file->f_file[O_RDONLY])
+ nlmsvc_ops->fclose(file->f_file[O_RDONLY]);
+ if (file->f_file[O_WRONLY])
+ nlmsvc_ops->fclose(file->f_file[O_WRONLY]);
}

/*
--
2.35.1