[PATCH 3/7] cifs: use locks_inode_context helper

Jeff Layton
2022-11-16T15:17:40Z

cifs currently doesn't access i_flctx safely. This requires a
smp_load_acquire, as the pointer is set via cmpxchg (a release
operation).

Cc: Steve French <smfrench@samba.org>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
fs/cifs/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index cd9698209930..6c1431979495 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1413,7 +1413,7 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
struct inode *inode = d_inode(cfile->dentry);
struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
struct file_lock *flock;
- struct file_lock_context *flctx = inode->i_flctx;
+ struct file_lock_context *flctx = locks_inode_context(inode);
unsigned int count = 0, i;
int rc = 0, xid, type;
struct list_head locks_to_send, *el;
--
2.38.1