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put iov_iter into msghdr

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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 <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-11-24 10:42:55 -05:00
parent d838df2e5d
commit c0371da604
33 changed files with 90 additions and 112 deletions
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6
net/ipv4/ip_output.c
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@@ -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);
}