From: RongQing.Li <roy.qing.li@gmail.com>
Date: Mon, 14 Nov 2011 19:37:24 +0000 (-0500)
Subject: ipv4: fix a memory leak in ic_bootp_send_if
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=ad79eefc42d56cb851a2b28a86e481cf1161005e;p=~shefty%2Frdma-dev.git

ipv4: fix a memory leak in ic_bootp_send_if

when dev_hard_header() failed, the newly allocated skb should be freed.

Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 0da2afc97f3..7f17ba8b031 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -822,8 +822,13 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
 	skb->dev = dev;
 	skb->protocol = htons(ETH_P_IP);
 	if (dev_hard_header(skb, dev, ntohs(skb->protocol),
-			    dev->broadcast, dev->dev_addr, skb->len) < 0 ||
-	    dev_queue_xmit(skb) < 0)
+			    dev->broadcast, dev->dev_addr, skb->len) < 0) {
+		kfree_skb(skb);
+		printk("E");
+		return;
+	}
+
+	if (dev_queue_xmit(skb) < 0)
 		printk("E");
 }