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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-01-31 22:45:26 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-01 08:52:48 +0100 |
| commit | 5b11b2e4bdef20e839d90dce96c5bbeafaf9616c (patch) | |
| tree | 8dfac0cc9ff403c906993a3d0d493575a50aa297 | |
| parent | tcp: md5: protects md5sig_info with RCU (diff) | |
| download | linux-5b11b2e4bdef20e839d90dce96c5bbeafaf9616c.tar.xz linux-5b11b2e4bdef20e839d90dce96c5bbeafaf9616c.zip | |
xfrm6: remove unneeded NULL check in __xfrm6_output()
We don't check for NULL consistently in __xfrm6_output(). If "x" were
NULL here it would lead to an OOPs later. I asked Steffen Klassert
about this and he suggested that we remove the NULL check.
On 10/29/11, Steffen Klassert <steffen.klassert@secunet.com> wrote:
>> net/ipv6/xfrm6_output.c
>> 148
>> 149 if ((x && x->props.mode == XFRM_MODE_TUNNEL) &&
>> ^
>
> x can't be null here. It would be a bug if __xfrm6_output() is called
> without a xfrm_state attached to the skb. I think we can just remove
> this null check.
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/xfrm6_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c index 4eeff89c1aaa..8755a3079d0f 100644 --- a/net/ipv6/xfrm6_output.c +++ b/net/ipv6/xfrm6_output.c @@ -146,7 +146,7 @@ static int __xfrm6_output(struct sk_buff *skb) return -EMSGSIZE; } - if ((x && x->props.mode == XFRM_MODE_TUNNEL) && + if (x->props.mode == XFRM_MODE_TUNNEL && ((skb->len > mtu && !skb_is_gso(skb)) || dst_allfrag(skb_dst(skb)))) { return ip6_fragment(skb, x->outer_mode->afinfo->output_finish); |