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ceph: fix unaligned access in ceph_send_cap_releases 

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton 2019-05-02 08:06:50 -04:00 committed by Ilya Dryomov
parent b726ec972c
commit 4198aba4f4
1 changed files with 2 additions and 1 deletions
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3
fs/ceph/mds_client.c
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@ -1855,7 +1855,8 @@ again:
num_cap_releases--; num_cap_releases--;
head = msg->front.iov_base; 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 = msg->front.iov_base + msg->front.iov_len;
item->ino = cpu_to_le64(cap->cap_ino); item->ino = cpu_to_le64(cap->cap_ino);
item->cap_id = cpu_to_le64(cap->cap_id); item->cap_id = cpu_to_le64(cap->cap_id);