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>
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 7d7c3ab..96d9227 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -114,7 +114,7 @@
/*
* Copy any Call User Data.
*/
- if (skb->len >= 0) {
+ if (skb->len > 0) {
skb_copy_from_linear_data(skb,
x25->calluserdata.cuddata,
skb->len);
diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c
index 2c999cc..66961ea 100644
--- a/net/x25/x25_route.c
+++ b/net/x25/x25_route.c
@@ -190,7 +190,7 @@
goto out;
rc = -EINVAL;
- if (rt.sigdigits < 0 || rt.sigdigits > 15)
+ if (rt.sigdigits > 15)
goto out;
dev = x25_dev_get(rt.device);