AUDIT: Properly account for alignment difference in nlmsg_len.

Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/kernel/audit.c b/kernel/audit.c
index ddb69a4582037864797d287a4a1eadc9dfe49ac3..a5f03cb2c0f5896e917ea95d2f1ce1f9443a6367 100644 (file)
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -488,7 +488,7 @@ static inline int audit_log_drain(struct audit_buffer *ab)
 
                if (audit_pid) {
                        struct nlmsghdr *nlh = (struct nlmsghdr *)skb->data;
-                       nlh->nlmsg_len = skb->len - sizeof(*nlh);
+                       nlh->nlmsg_len = skb->len - NLMSG_SPACE(0);
                        skb_get(skb); /* because netlink_* frees */
                        retval = netlink_unicast(audit_sock, skb, audit_pid,
                                                 MSG_DONTWAIT);