[PATCH] kernel/audit.c: nlh->nlmsg_type is gotten more than once

The first argument "nlh->nlmsg_type" of audit_receive_filter() should be modified to "msg_type" in audit_receive_msg().
Signed-off-by: NPeng Haitao <penght@cn.fujitsu.com>
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

kernel/audit.c

@@ -779,7 +779,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 		}
 		/* fallthrough */
 	case AUDIT_LIST:
-		err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
+		err = audit_receive_filter(msg_type, NETLINK_CB(skb).pid,
 					   uid, seq, data, nlmsg_len(nlh),
 					   loginuid, sessionid, sid);
 		break;
@@ -798,7 +798,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 		}
 		/* fallthrough */
 	case AUDIT_LIST_RULES:
-		err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
+		err = audit_receive_filter(msg_type, NETLINK_CB(skb).pid,
 					   uid, seq, data, nlmsg_len(nlh),
 					   loginuid, sessionid, sid);
 		break;