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ip_generic_getfrag, udplite_getfrag: switch to passing msghdr

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-11-24 13:23:40 -05:00
parent 19e3c66b52
commit f69e6d131f
7 changed files with 11 additions and 10 deletions
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3
include/net/udplite.h
View File

@ -19,7 +19,8 @@ extern struct udp_table udplite_table;
static __inline__ int udplite_getfrag(void *from, char *to, int offset,
int len, int odd, struct sk_buff *skb)
{
return memcpy_fromiovecend(to, (struct iovec *) from, offset, len);
struct msghdr *msg = from;
return memcpy_fromiovecend(to, msg->msg_iov, offset, len);
}
/* Designate sk as UDP-Lite socket */

6
net/ipv4/ip_output.c
View File

@ -752,14 +752,14 @@ EXPORT_SYMBOL(ip_fragment);
int
ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb)
{
struct iovec *iov = from;
struct msghdr *msg = from;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
if (memcpy_fromiovecend(to, iov, offset, len) < 0)
if (memcpy_fromiovecend(to, msg->msg_iov, offset, len) < 0)
return -EFAULT;
} else {
__wsum csum = 0;
if (csum_partial_copy_fromiovecend(to, iov, offset, len, &csum) < 0)
if (csum_partial_copy_fromiovecend(to, msg->msg_iov, offset, len, &csum) < 0)
return -EFAULT;
skb->csum = csum_block_add(skb->csum, csum, odd);
}

2
net/ipv4/raw.c
View File

@ -478,7 +478,7 @@ static int raw_getfrag(void *from, char *to, int offset, int len, int odd,
offset -= rfv->hlen;
return ip_generic_getfrag(rfv->msg->msg_iov, to, offset, len, odd, skb);
return ip_generic_getfrag(rfv->msg, to, offset, len, odd, skb);
}
static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,

4
net/ipv4/udp.c
View File

@ -1049,7 +1049,7 @@ back_from_confirm:
/* Lockless fast path for the non-corking case. */
if (!corkreq) {
skb = ip_make_skb(sk, fl4, getfrag, msg->msg_iov, ulen,
skb = ip_make_skb(sk, fl4, getfrag, msg, ulen,
sizeof(struct udphdr), &ipc, &rt,
msg->msg_flags);
err = PTR_ERR(skb);
@ -1080,7 +1080,7 @@ back_from_confirm:
do_append_data:
up->len += ulen;
err = ip_append_data(sk, fl4, getfrag, msg->msg_iov, ulen,
err = ip_append_data(sk, fl4, getfrag, msg, ulen,
sizeof(struct udphdr), &ipc, &rt,
corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
if (err)

2
net/ipv6/raw.c
View File

@ -727,7 +727,7 @@ static int raw6_getfrag(void *from, char *to, int offset, int len, int odd,
offset -= rfv->hlen;
return ip_generic_getfrag(rfv->msg->msg_iov, to, offset, len, odd, skb);
return ip_generic_getfrag(rfv->msg, to, offset, len, odd, skb);
}
static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,

2
net/ipv6/udp.c
View File

@ -1312,7 +1312,7 @@ do_append_data:
dontfrag = np->dontfrag;
up->len += ulen;
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
err = ip6_append_data(sk, getfrag, msg->msg_iov, ulen,
err = ip6_append_data(sk, getfrag, msg, ulen,
sizeof(struct udphdr), hlimit, tclass, opt, &fl6,
(struct rt6_info *)dst,
corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags, dontfrag);

2
net/l2tp/l2tp_ip6.c
View File

@ -619,7 +619,7 @@ static int l2tp_ip6_sendmsg(struct kiocb *iocb, struct sock *sk,
back_from_confirm:
lock_sock(sk);
err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov,
err = ip6_append_data(sk, ip_generic_getfrag, msg,
ulen, transhdrlen, hlimit, tclass, opt,
&fl6, (struct rt6_info *)dst,
msg->msg_flags, dontfrag);