s390/pci: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
Using kmem_cache_zalloc() instead of kmem_cache_alloc() and memset().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 0723b10..b0cef4d 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -602,10 +602,9 @@
return ERR_PTR(-ENOMEM);
/* Alloc aibv & callback space */
- zdev->irq_map = kmem_cache_alloc(zdev_irq_cache, GFP_KERNEL);
+ zdev->irq_map = kmem_cache_zalloc(zdev_irq_cache, GFP_KERNEL);
if (!zdev->irq_map)
goto error;
- memset(zdev->irq_map, 0, sizeof(*zdev->irq_map));
WARN_ON((u64) zdev->irq_map & 0xff);
return zdev;