From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Tue, 15 Jul 2008 09:09:53 +0000 (-0700)
Subject: iucv: fix memory leak in cpu hotplug error path.
X-Git-Tag: upstream/snapshot3+hdmi~24247^2~112
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d0236f8f8223ad841f461ea3a635d452d194806b;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

iucv: fix memory leak in cpu hotplug error path.

Fix memory leak in error path in CPU_UP_PREPARE notifier.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 531a206..d8e0635 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -567,8 +567,11 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
 			return NOTIFY_BAD;
 		iucv_param[cpu] = kmalloc_node(sizeof(union iucv_param),
 				     GFP_KERNEL|GFP_DMA, cpu_to_node(cpu));
-		if (!iucv_param[cpu])
+		if (!iucv_param[cpu]) {
+			kfree(iucv_irq_data[cpu]);
+			iucv_irq_data[cpu] = NULL;
 			return NOTIFY_BAD;
+		}
 		break;
 	case CPU_UP_CANCELED:
 	case CPU_UP_CANCELED_FROZEN: