From c0371da6047abd261bc483c744dbc7d81a116172 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 24 Nov 2014 10:42:55 -0500 Subject: put iov_iter into msghdr Note that the code _using_ ->msg_iter at that point will be very unhappy with anything other than unshifted iovec-backed iov_iter. We still need to convert users to proper primitives. Signed-off-by: Al Viro --- net/ipv4/ip_output.c | 6 ++++-- net/ipv4/ping.c | 3 ++- net/ipv4/raw.c | 3 ++- net/ipv4/tcp.c | 6 +++--- net/ipv4/tcp_output.c | 2 +- 5 files changed, 12 insertions(+), 8 deletions(-) (limited to 'net/ipv4') diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index cdedcf144463..b50861b22b6b 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -755,11 +755,13 @@ ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk struct msghdr *msg = from; if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (memcpy_fromiovecend(to, msg->msg_iov, offset, len) < 0) + /* XXX: stripping const */ + if (memcpy_fromiovecend(to, (struct iovec *)msg->msg_iter.iov, offset, len) < 0) return -EFAULT; } else { __wsum csum = 0; - if (csum_partial_copy_fromiovecend(to, msg->msg_iov, offset, len, &csum) < 0) + /* XXX: stripping const */ + if (csum_partial_copy_fromiovecend(to, (struct iovec *)msg->msg_iter.iov, offset, len, &csum) < 0) return -EFAULT; skb->csum = csum_block_add(skb->csum, csum, odd); } diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 8dd4ae0424fc..c0d82f78d364 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -811,7 +811,8 @@ back_from_confirm: pfh.icmph.checksum = 0; pfh.icmph.un.echo.id = inet->inet_sport; pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence; - pfh.iov = msg->msg_iov; + /* XXX: stripping const */ + pfh.iov = (struct iovec *)msg->msg_iter.iov; pfh.wcheck = 0; pfh.family = AF_INET; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 5d83bd2fcedb..0bb68df5055d 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -625,7 +625,8 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, back_from_confirm: if (inet->hdrincl) - err = raw_send_hdrinc(sk, &fl4, msg->msg_iov, len, + /* XXX: stripping const */ + err = raw_send_hdrinc(sk, &fl4, (struct iovec *)msg->msg_iter.iov, len, &rt, msg->msg_flags); else { diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 4a96f3730170..54ba6209eea9 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1085,7 +1085,7 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t size) { - struct iovec *iov; + const struct iovec *iov; struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; int iovlen, flags, err, copied = 0; @@ -1136,8 +1136,8 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, mss_now = tcp_send_mss(sk, &size_goal, flags); /* Ok commence sending. */ - iovlen = msg->msg_iovlen; - iov = msg->msg_iov; + iovlen = msg->msg_iter.nr_segs; + iov = msg->msg_iter.iov; copied = 0; err = -EPIPE; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index f5bd4bd3f7e6..3e225b03eb95 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -3050,7 +3050,7 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) syn_data->ip_summed = CHECKSUM_PARTIAL; memcpy(syn_data->cb, syn->cb, sizeof(syn->cb)); if (unlikely(memcpy_fromiovecend(skb_put(syn_data, space), - fo->data->msg_iov, 0, space))) { + fo->data->msg_iter.iov, 0, space))) { kfree_skb(syn_data); goto fallback; } -- cgit v1.2.3