Commit 87f00aba authored by Jeff Layton's avatar Jeff Layton
Browse files

ksmbd: use locks_inode_context helper 



ksmbd 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 <sfrench@samba.org>
Acked-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJeff Layton <jlayton@kernel.org>
parent a1fde8ee

fs/ksmbd/vfs.c

+1 −1
Original line number Diff line number Diff line
@@ -321,7 +321,7 @@ static int check_lock_range(struct file *filp, loff_t start, loff_t end, 
			    unsigned char type)

{

	struct file_lock *flock;

	struct file_lock_context *ctx = file_inode(filp)->i_flctx;

	struct file_lock_context *ctx = locks_inode_context(file_inode(filp));

	int error = 0;



	if (!ctx || list_empty_careful(&ctx->flc_posix))