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_in.c b/net/x25/x25_in.c
index 7d7c3abf38b5..96d922783547 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -114,7 +114,7 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
                         /*
                          *      Copy any Call User Data.
                          */
-                        if (skb->len >= 0) {
+                        if (skb->len > 0) {
                                 skb_copy_from_linear_data(skb,
                                               x25->calluserdata.cuddata,
                                               skb->len);