4 files changed, 8 insertions, 12 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 4398cb81bca..cc09283fd76 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -862,10 +862,6 @@ rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
 	int type;
 	int err;
 
-	/* Only requests are handled by kernel now */
-	if (!(nlh->nlmsg_flags&NLM_F_REQUEST))
-		return 0;
-
 	type = nlh->nlmsg_type;
 
 	/* A control message: ignore them */
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 8488c15f264..7b455980e9b 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1470,10 +1470,15 @@ static int netlink_rcv_skb(struct sk_buff *skb, int (*cb)(struct sk_buff *,
 
 	while (skb->len >= nlmsg_total_size(0)) {
 		nlh = nlmsg_hdr(skb);
+		err = 0;
 
 		if (nlh->nlmsg_len < NLMSG_HDRLEN || skb->len < nlh->nlmsg_len)
 			return 0;
 
+		/* Only requests are handled by the kernel */
+		if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
+			goto skip;
+
 		if (cb(skb, nlh, &err) < 0) {
 			/* Not an error, but we have to interrupt processing
 			 * here. Note: that in this case we do not pull
@@ -1481,9 +1486,10 @@ static int netlink_rcv_skb(struct sk_buff *skb, int (*cb)(struct sk_buff *,
 			 */
 			if (err == 0)
 				return -1;
+		}
+skip:
+		if (nlh->nlmsg_flags & NLM_F_ACK || err)
 			netlink_ack(skb, nlh, err);
-		} else if (nlh->nlmsg_flags & NLM_F_ACK)
-			netlink_ack(skb, nlh, 0);
 
 		netlink_queue_skip(nlh, skb);
 	}
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index c2996794eb2..039516f6cd8 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -304,9 +304,6 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
 	struct genlmsghdr *hdr = nlmsg_data(nlh);
 	int hdrlen, err = -EINVAL;
 
-	if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
-		goto ignore;
-
 	if (nlh->nlmsg_type < NLMSG_MIN_TYPE)
 		goto ignore;
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 6b7f6dc144c..913c8b727d8 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1858,9 +1858,6 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *err
 	struct xfrm_link *link;
 	int type, min_len;
 
-	if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
-		return 0;
-
 	type = nlh->nlmsg_type;
 
 	/* A control message: ignore them */