From: Brian Haley <brian.haley@hp.com>
Date: Tue, 2 Jun 2009 07:20:26 +0000 (-0700)
Subject: IPv6: Print error value when skb allocation fails
X-Git-Tag: v2.6.31-rc1~330^2~193
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=dae9de8e13a8a5154688e4c788e65399b4718707;p=karo-tx-linux.git

IPv6: Print error value when skb allocation fails

Print-out the error value when sock_alloc_send_skb() fails in
the IPv6 neighbor discovery code - can be useful for debugging.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index e09f12ee57cf..1d13d9964985 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -465,8 +465,8 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
 				  1, &err);
 	if (!skb) {
 		ND_PRINTK0(KERN_ERR
-			   "ICMPv6 ND: %s() failed to allocate an skb.\n",
-			   __func__);
+			   "ICMPv6 ND: %s() failed to allocate an skb, err=%d.\n",
+			   __func__, err);
 		return NULL;
 	}
 
@@ -1562,8 +1562,8 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
 				   1, &err);
 	if (buff == NULL) {
 		ND_PRINTK0(KERN_ERR
-			   "ICMPv6 Redirect: %s() failed to allocate an skb.\n",
-			   __func__);
+			   "ICMPv6 Redirect: %s() failed to allocate an skb, err=%d.\n",
+			   __func__, err);
 		goto release;
 	}