tun: Fixed unsigned/signed comparison
authorAlex Gartrell <agartrell@fb.com>
Fri, 26 Dec 2014 07:05:03 +0000 (23:05 -0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 31 Dec 2014 19:14:54 +0000 (14:14 -0500)
Validated that this was actually using the unsigned comparison with gdb.

Signed-off-by: Alex Gartrell <agartrell@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/tun.c

index 8c8dc16839a79473e976d9de2132cc6df911e418..df5e948718447f7dfd2631574feca959103807fe 100644 (file)
@@ -1501,7 +1501,7 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock,
                goto out;
        }
        ret = tun_do_read(tun, tfile, &m->msg_iter, flags & MSG_DONTWAIT);
-       if (ret > total_len) {
+       if (ret > (ssize_t)total_len) {
                m->msg_flags |= MSG_TRUNC;
                ret = flags & MSG_TRUNC ? ret : total_len;
        }