diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 4f7d2122d8183b95cd49387d282445de894b2c04..608a5446d05b8f7b2292e42e40d675ce656f4e8c 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1117,7 +1117,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, struct inet_sock *inet = inet_sk(sk); struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name; struct sk_buff *skb; - unsigned int ulen, copied; + unsigned int ulen; int peeked; int err; int is_udplite = IS_UDPLITE(sk); @@ -1138,10 +1138,9 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, 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; /* @@ -1150,14 +1149,14 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, * 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), @@ -1186,7 +1185,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, if (inet->cmsg_flags) ip_cmsg_recv(msg, skb); - err = copied; + err = len; if (flags & MSG_TRUNC) err = ulen; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 34efb3589ffac1dc4050132d7cf926c86e87a499..a7af9d68cd6c3c5db4d211cc5f061303b103f7f6 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 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk, 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 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk, * 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 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk, datagram_recv_ctl(sk, msg, skb); } - err = copied; + err = len; if (flags & MSG_TRUNC) err = ulen;