On Thu, Sep 13, 2007 at 11:12:06AM +0200, Gabriel Paubert wrote:
> A patch to restore pre-2.3.41 behaviour for IPv4 follows (and the
> logic becomes much clearer IMO, not only because it avoids a goto),
> but I'm not sure that it should be applied.
>
It should not since it was buggy, the correct one follows (it was
missing the test for inet->recverr in the last if ( ) statement).
Regards,
Gabriel
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 2835535..651637e 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -380,14 +380,13 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct
hlist_head udptable[])
* RFC1122: OK. Passes ICMP errors back to application, as per
* 4.1.3.3.
*/
- if (!inet->recverr) {
- if (!harderr || sk->sk_state != TCP_ESTABLISHED)
- goto out;
- } else {
+ if (inet->recverr) {
ip_icmp_error(sk, skb, err, uh->dest, info, (u8*)(uh+1));
}
- sk->sk_err = err;
- sk->sk_error_report(sk);
+ if (inet->recverr || harderr || sk->sk_state == TCP_ESTABLISHED) {
+ sk->sk_err = err;
+ sk->sk_error_report(sk);
+ }
out:
sock_put(sk);
}
-
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