From: Dave Jones <davej@redhat.com>
Date: Sat, 21 May 2011 07:16:42 +0000 (+0000)
Subject: ipv4: Give backtrace in ip_rt_bug().
X-Git-Tag: firefly_0821_release~7613^2~1341^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c378a9c019cf5e017d1ed24954b54fae7bebd2bc;p=firefly-linux-kernel-4.4.55.git

ipv4: Give backtrace in ip_rt_bug().

Add a stack backtrace to the ip_rt_bug path for debugging

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b24d58e6bbcd..52b0b956508b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1665,6 +1665,7 @@ static int ip_rt_bug(struct sk_buff *skb)
 		&ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
 		skb->dev ? skb->dev->name : "?");
 	kfree_skb(skb);
+	WARN_ON(1);
 	return 0;
 }