diff options
Diffstat (limited to 'net/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 34efb3589ff..a7af9d68cd6 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -322,7 +322,7 @@ 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, copied; + unsigned int ulen; int peeked; int err; int is_udplite = IS_UDPLITE(sk); @@ -341,10 +341,9 @@ try_again: goto out; ulen = skb->len - sizeof(struct udphdr); - copied = len; - if (copied > ulen) - copied = ulen; - else if (copied < ulen) + if (len > ulen) + len = ulen; + else if (len < ulen) msg->msg_flags |= MSG_TRUNC; is_udp4 = (skb->protocol == htons(ETH_P_IP)); @@ -355,14 +354,14 @@ try_again: * coverage checksum (UDP-Lite), do it before the copy. */ - if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) { + if (len < 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, copied ); + msg->msg_iov,len); else { err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov); if (err == -EINVAL) @@ -411,7 +410,7 @@ try_again: datagram_recv_ctl(sk, msg, skb); } - err = copied; + err = len; if (flags & MSG_TRUNC) err = ulen; |