[PATCH] xfs: lock dquot buffer before detaching dquot from b_li_list

["Darrick J. Wong" <djwong@kernel.org>]

From: Darrick J. Wong <djwong@kernel.org>

We have to lock the buffer before we can delete the dquot log item from
the buffer's log item list.

Cc: <stable@vger.kernel.org> # v6.13-rc3
Fixes: acc8f8628c3737 ("xfs: attach dquot buffer to dquot log item buffer")
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
---
 fs/xfs/xfs_dquot.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 576b7755b1f1fc..84b69f686ba82e 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -87,8 +87,9 @@ xfs_dquot_detach_buf(
 	}
 	spin_unlock(&qlip->qli_lock);
 	if (bp) {
+		xfs_buf_lock(bp);
 		list_del_init(&qlip->qli_item.li_bio_list);
-		xfs_buf_rele(bp);
+		xfs_buf_relse(bp);
 	}
 }