net: Cleanup redundant tests on unsigned

If there is data, the unsigned skb->len is greater than 0.

rt.sigdigits is unsigned as well, so the test `>= 0' is
always true, the other part of the test catches wrapped
values.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c
index 2c999ccf504a..66961ea28c91 100644
--- a/net/x25/x25_route.c
+++ b/net/x25/x25_route.c
@@ -190,7 +190,7 @@ int x25_route_ioctl(unsigned int cmd, void __user *arg)
                 goto out;
 
         rc = -EINVAL;
-        if (rt.sigdigits < 0 || rt.sigdigits > 15)
+        if (rt.sigdigits > 15)
                 goto out;
 
         dev = x25_dev_get(rt.device);