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: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 27b4c17855b9..fddf847e71ac 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -249,10 +249,9 @@ int zpci_fmb_enable_device(struct zpci_dev *zdev)
         if (zdev->fmb)
                 return -EINVAL;
 
-        zdev->fmb = kmem_cache_alloc(zdev_fmb_cache, GFP_KERNEL);
+        zdev->fmb = kmem_cache_zalloc(zdev_fmb_cache, GFP_KERNEL);
         if (!zdev->fmb)
                 return -ENOMEM;
-        memset(zdev->fmb, 0, sizeof(*zdev->fmb));
         WARN_ON((u64) zdev->fmb & 0xf);
 
         args.fmb_addr = virt_to_phys(zdev->fmb);