Patrick McHardy <[email protected]> wrote:
>
> Never mind, I got it, we never fall through to the second switch
> statement anymore. I think we could simply break when load_pointer
> returns NULL. The switch statement will fall through to the default
> case and return 0 for all cases but 0 > k >= SKF_AD_OFF.
Thanks Patrick, that's a much better idea. Here's a patch to do just
that.
I left BPF_MSH alone because it's really a hack to calculate the IP
header length, which makes no sense when applied to the special data.
Signed-off-by: Herbert Xu <[email protected]>
BTW, you should be able to send me mail now. Sorry about that.
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
diff --git a/net/core/filter.c b/net/core/filter.c
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -182,7 +182,7 @@ int sk_run_filter(struct sk_buff *skb, s
A = ntohl(*(u32 *)ptr);
continue;
}
- return 0;
+ break;
case BPF_LD|BPF_H|BPF_ABS:
k = fentry->k;
load_h:
@@ -191,7 +191,7 @@ int sk_run_filter(struct sk_buff *skb, s
A = ntohs(*(u16 *)ptr);
continue;
}
- return 0;
+ break;
case BPF_LD|BPF_B|BPF_ABS:
k = fentry->k;
load_b:
@@ -200,7 +200,7 @@ load_b:
A = *(u8 *)ptr;
continue;
}
- return 0;
+ break;
case BPF_LD|BPF_W|BPF_LEN:
A = skb->len;
continue;
-
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