netdev - [PATCH] IPv6: Print error value when skb allocation fails

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Message-Id: <1243882073-15335-1-git-send-email-brian.haley@hp.com>
Date:	Mon,  1 Jun 2009 14:47:53 -0400
From:	Brian Haley <brian.haley@...com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org
Subject: [PATCH] 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@...com>
---
 net/ipv6/ndisc.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index e09f12e..1d13d99 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;
 	}
 
-- 
1.5.4.3

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