socket: use iov_length()

Better to use available helpers.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-01-15 10:35:58 +01:00 committed by David S. Miller
parent 4e7a84b1a5
commit 7eb35b1483

View File

@ -882,11 +882,7 @@ static ssize_t do_sock_read(struct msghdr *msg, struct kiocb *iocb,
unsigned long nr_segs)
{
struct socket *sock = file->private_data;
size_t size = 0;
int i;
for (i = 0; i < nr_segs; i++)
size += iov[i].iov_len;
size_t size = iov_length(iov, nr_segs);
msg->msg_name = NULL;
msg->msg_namelen = 0;
@ -921,11 +917,7 @@ static ssize_t do_sock_write(struct msghdr *msg, struct kiocb *iocb,
unsigned long nr_segs)
{
struct socket *sock = file->private_data;
size_t size = 0;
int i;
for (i = 0; i < nr_segs; i++)
size += iov[i].iov_len;
size_t size = iov_length(iov, nr_segs);
msg->msg_name = NULL;
msg->msg_namelen = 0;