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>

1 files changed, 4 insertions, 1 deletions

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 531a206ce7a6..d8e0635aace0 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: