From: David S. Miller <davem@davemloft.net>
Date: Thu, 12 Jul 2012 01:35:12 +0000 (-0700)
Subject: ipv4: Deliver ICMP redirects to sockets too.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d3351b75a7169337877fe6f6f2c019154b6ec1ea;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

ipv4: Deliver ICMP redirects to sockets too.

And thus, we can remove the ping_err() hack.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 18e39d1895d4..588514627aa7 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -782,13 +782,7 @@ static void icmp_redirect(struct sk_buff *skb)
 		break;
 	}
 
-	/* Ping wants to see redirects.
-         * Let's pretend they are errors of sorts... */
-	if (iph->protocol == IPPROTO_ICMP &&
-	    iph->ihl >= 5 &&
-	    pskb_may_pull(skb, (iph->ihl<<2)+8)) {
-		ping_err(skb, icmp_hdr(skb)->un.gateway);
-	}
+	icmp_socket_deliver(skb, icmp_hdr(skb)->un.gateway);
 
 out:
 	return;