[PATCH 01/17] new helper: skb_copy_and_csum_datagram_msg()
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: 2014-11-22 04:29:52
Also in:
lkml
Subsystem:
networking [general], the rest, user datagram protocol (udp) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Willem de Bruijn
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- include/linux/skbuff.h | 5 +++++ net/ipv4/udp.c | 5 ++--- net/ipv6/raw.c | 2 +- net/ipv6/udp.c | 2 +- 4 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 73c370e..4fc4024 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h@@ -2651,6 +2651,11 @@ static inline int skb_copy_datagram_msg(const struct sk_buff *from, int offset, } int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb, int hlen, struct iovec *iov); +static inline int skb_copy_and_csum_datagram_msg(struct sk_buff *skb, int hlen, + struct msghdr *msg) +{ + return skb_copy_and_csum_datagram_iovec(skb, hlen, msg->msg_iov); +} int skb_copy_datagram_from_iovec(struct sk_buff *skb, int offset, const struct iovec *from, int from_offset, int len);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 4a16b91..b2d6068 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c@@ -1284,9 +1284,8 @@ try_again: err = skb_copy_datagram_msg(skb, sizeof(struct udphdr), msg, copied); else { - err = skb_copy_and_csum_datagram_iovec(skb, - sizeof(struct udphdr), - msg->msg_iov); + err = skb_copy_and_csum_datagram_msg(skb, sizeof(struct udphdr), + msg); if (err == -EINVAL) goto csum_copy_err;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 0cbcf98..8baa53e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c@@ -492,7 +492,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk, goto csum_copy_err; err = skb_copy_datagram_msg(skb, 0, msg, copied); } else { - err = skb_copy_and_csum_datagram_iovec(skb, 0, msg->msg_iov); + err = skb_copy_and_csum_datagram_msg(skb, 0, msg); if (err == -EINVAL) goto csum_copy_err; }
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 0ba3de4..961565a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c@@ -427,7 +427,7 @@ try_again: err = skb_copy_datagram_msg(skb, sizeof(struct udphdr), msg, copied); else { - err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov); + err = skb_copy_and_csum_datagram_msg(skb, sizeof(struct udphdr), msg); if (err == -EINVAL) goto csum_copy_err; }
--
1.7.10.4