xfs: fix some minor sparse warnings

A couple of simple locking annotations and 0 vs NULL warnings.
Nothing that changes any code behaviour, just removes build noise.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 60c6e1f12695..e838d84b4e85 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -142,7 +142,8 @@ xfs_qm_dqunpin_wait(
 STATIC uint
 xfs_qm_dquot_logitem_push(
         struct xfs_log_item     *lip,
-        struct list_head        *buffer_list)
+        struct list_head        *buffer_list) __releases(&lip->li_ailp->xa_lock)
+                                              __acquires(&lip->li_ailp->xa_lock)
 {
         struct xfs_dquot        *dqp = DQUOT_ITEM(lip)->qli_dquot;
         struct xfs_buf          *bp = NULL;