[PATCH] iucv: fix memory leak in cpu hotplug error path.

[Akinobu Mita]

Fix memory leak in error path in CPU_UP_PREPARE notifier.

Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: Ursula Braun <ubraun@xxxxxxxxxxxxxxxxxx>
Cc: linux390@xxxxxxxxxx
Cc: linux-s390@xxxxxxxxxxxxxxx
---
 net/iucv/iucv.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Index: 2.6-mmotm/net/iucv/iucv.c
===================================================================
--- 2.6-mmotm.orig/net/iucv/iucv.c
+++ 2.6-mmotm/net/iucv/iucv.c
@@ -567,8 +567,11 @@ static int __cpuinit iucv_cpu_notify(str
 			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:
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/