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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>
This commit is contained in:
roel kluin 2009-10-23 05:21:56 +00:00 committed by David S. Miller
parent 50e4fe91a5
commit 091bb8ab51
2 changed files with 2 additions and 2 deletions
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2
net/x25/x25_in.c
View File

@ -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);

2
net/x25/x25_route.c
View File

@ -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);