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authorDavid S. Miller <davem@davemloft.net>2011-12-02 13:49:21 -0500
committerDavid S. Miller <davem@davemloft.net>2011-12-02 13:49:21 -0500
commitb3613118eb30a589d971e4eccbbb2a1314f5dfd4 (patch)
tree868c1ee59e1b5c19a4f2e43716400d0001a994e5 /net/ipv6
parent7505afe28c16a8d386624930a018d0052c75d687 (diff)
parent5983fe2b29df5885880d7fa3b91aca306c7564ef (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ipv6_sockglue.c2
-rw-r--r--net/ipv6/udp.c15
2 files changed, 9 insertions, 8 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 29993b7079a..18a2719003c 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -503,7 +503,7 @@ done:
goto e_inval;
if (val > 255 || val < -1)
goto e_inval;
- np->mcast_hops = val;
+ np->mcast_hops = (val == -1 ? IPV6_DEFAULT_MCASTHOPS : val);
retv = 0;
break;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 84ec9db86ee..adfe26a7fc6 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -340,7 +340,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
struct ipv6_pinfo *np = inet6_sk(sk);
struct inet_sock *inet = inet_sk(sk);
struct sk_buff *skb;
- unsigned int ulen;
+ unsigned int ulen, copied;
int peeked;
int err;
int is_udplite = IS_UDPLITE(sk);
@@ -363,9 +363,10 @@ try_again:
goto out;
ulen = skb->len - sizeof(struct udphdr);
- if (len > ulen)
- len = ulen;
- else if (len < ulen)
+ copied = len;
+ if (copied > ulen)
+ copied = ulen;
+ else if (copied < ulen)
msg->msg_flags |= MSG_TRUNC;
is_udp4 = (skb->protocol == htons(ETH_P_IP));
@@ -376,14 +377,14 @@ try_again:
* coverage checksum (UDP-Lite), do it before the copy.
*/
- if (len < ulen || UDP_SKB_CB(skb)->partial_cov) {
+ if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) {
if (udp_lib_checksum_complete(skb))
goto csum_copy_err;
}
if (skb_csum_unnecessary(skb))
err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr),
- msg->msg_iov,len);
+ msg->msg_iov, copied );
else {
err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov);
if (err == -EINVAL)
@@ -431,7 +432,7 @@ try_again:
datagram_recv_ctl(sk, msg, skb);
}
- err = len;
+ err = copied;
if (flags & MSG_TRUNC)
err = ulen;