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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 <[email protected]>
This commit is contained in:
Al Viro 2014-11-24 10:42:55 -05:00
commit c0371da604
33 changed files with 90 additions and 112 deletions
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7
net/packet/af_packet.c
View file

@ -2408,11 +2408,8 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
unsigned short gso_type = 0;
int hlen, tlen;
int extra_len = 0;
struct iov_iter from;
ssize_t n;
iov_iter_init(&from, WRITE, msg->msg_iov, msg->msg_iovlen, len);
/*
* Get and verify the address.
*/
@ -2451,7 +2448,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
len -= vnet_hdr_len;
err = -EFAULT;
n = copy_from_iter(&vnet_hdr, vnet_hdr_len, &from);
n = copy_from_iter(&vnet_hdr, vnet_hdr_len, &msg->msg_iter);
if (n != vnet_hdr_len)
goto out_unlock;
@ -2522,7 +2519,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
}
/* Returns -EFAULT on error */
err = skb_copy_datagram_from_iter(skb, offset, &from, len);
err = skb_copy_datagram_from_iter(skb, offset, &msg->msg_iter, len);
if (err)
goto out_free;