From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH] macvtap: Use kmalloc_array() in macvtap_queue_resize() Date: Thu, 26 Jan 2017 20:00:08 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: LKML , kernel-janitors@vger.kernel.org To: netdev@vger.kernel.org, "David S. Miller" , Francesco Ruggeri , Gao Feng , Jason Wang , Marc Angel , "Michael S. Tsirkin" , Mike Rapoport , Willem de Bruijn , Zhang Shengju Return-path: Received: from mout.web.de ([217.72.192.78]:51863 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752397AbdAZTDQ (ORCPT ); Thu, 26 Jan 2017 14:03:16 -0500 Sender: netdev-owner@vger.kernel.org List-ID: From: Markus Elfring Date: Thu, 26 Jan 2017 19:47:38 +0100 A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/net/macvtap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 5c26653eceb5..1796d8f1ef47 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -1243,7 +1243,7 @@ static int macvtap_queue_resize(struct macvlan_dev *vlan) int n = vlan->numqueues; int ret, i = 0; - arrays = kmalloc(sizeof *arrays * n, GFP_KERNEL); + arrays = kmalloc_array(n, sizeof(*arrays), GFP_KERNEL); if (!arrays) return -ENOMEM; -- 2.11.0