[PATCH 2/3] ceph: fix unaligned access in ceph_send_cap_releases

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Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
 fs/ceph/mds_client.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index e09773a7a9cf..66eae336a68a 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1855,7 +1855,8 @@ static void ceph_send_cap_releases(struct ceph_mds_client *mdsc,
 		num_cap_releases--;
 
 		head = msg->front.iov_base;
-		le32_add_cpu(&head->num, 1);
+		put_unaligned_le32(get_unaligned_le32(&head->num) + 1,
+				   &head->num);
 		item = msg->front.iov_base + msg->front.iov_len;
 		item->ino = cpu_to_le64(cap->cap_ino);
 		item->cap_id = cpu_to_le64(cap->cap_id);
-- 
2.21.0




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