---

yaml
---
r: 136108
b: refs/heads/master
c: fa56ddd
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c44a4366649aca4f5b4a51ff71d4c9cde3b7c9da
+refs/heads/master: fa56dddd6720c8d4b9fa4c942377d2a019cf3708

trunk/net/ax25/af_ax25.c

@@ -1435,6 +1435,11 @@ static int ax25_sendmsg(struct kiocb *iocb, struct socket *sock,
 	size_t size;
 	int lv, err, addr_len = msg->msg_namelen;
 
+	/* AX.25 empty data frame has no meaning : don't send */
+	if (len == 0) {
+		return (0);
+	}
+
 	if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
 		return -EINVAL;
 
@@ -1634,6 +1639,13 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
 	skb_reset_transport_header(skb);
 	copied = skb->len;
 
+	/* AX.25 empty data frame has no meaning : ignore it */
+	if (copied == 0) {
+		err = copied;
+		skb_free_datagram(sk, skb);
+		goto out;
+	}
+
 	if (copied > size) {
 		copied = size;
 		msg->msg_flags |= MSG_TRUNC;

trunk/net/mac80211/ibss.c

@@ -812,8 +812,9 @@ int ieee80211_ibss_commit(struct ieee80211_sub_if_data *sdata)
 
 	ifibss->ibss_join_req = jiffies;
 	ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
+	set_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request);
 
-	return ieee80211_sta_find_ibss(sdata);
+	return 0;
 }
 
 int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)

trunk/net/netrom/af_netrom.c

@@ -1037,6 +1037,10 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
 	unsigned char *asmptr;
 	int size;
 
+	/* Netrom empty data frame has no meaning : don't send */
+	if (len == 0)
+		return 0;
+
 	if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
 		return -EINVAL;
 
@@ -1171,6 +1175,11 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
 	skb_reset_transport_header(skb);
 	copied     = skb->len;
 
+	/* NetRom empty data frame has no meaning : ignore it */
+	if (copied == 0) {
+		goto out;
+	}
+
 	if (copied > size) {
 		copied = size;
 		msg->msg_flags |= MSG_TRUNC;
@@ -1186,7 +1195,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
 
 	msg->msg_namelen = sizeof(*sax);
 
-	skb_free_datagram(sk, skb);
+out:	skb_free_datagram(sk, skb);
 
 	release_sock(sk);
 	return copied;