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>
mariux64 · Dec 3, 2012 · 4118fee · 4118fee
1 parent 916908d
commit 4118fee
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
@@ -602,10 +602,9 @@ struct zpci_dev *zpci_alloc_device(void)
 		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;