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 e09f12e..1d13d99 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -465,8 +465,8 @@
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 @@
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;
}