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>

diff --git a/net/socket.c b/net/socket.c
index a2c33a4..e1278d7 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -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;