From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: [PATCH net-next 3/3] virtio: use kcalloc and kmalloc_array Date: Tue, 26 Jul 2016 09:20:11 -0700 Message-ID: <20160726162037.897138759@networkplumber.org> References: <20160726162008.310530368@networkplumber.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Cc: netdev@vger.kernel.org, Stephen Hemminger To: "Michael S. Tsirkin" Return-path: Received: from mail-pf0-f170.google.com ([209.85.192.170]:33773 "EHLO mail-pf0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756800AbcGZQUX (ORCPT ); Tue, 26 Jul 2016 12:20:23 -0400 Received: by mail-pf0-f170.google.com with SMTP id y134so1293426pfg.0 for ; Tue, 26 Jul 2016 09:20:23 -0700 (PDT) Content-Disposition: inline; filename=virtio-kcalloc.patch Sender: netdev-owner@vger.kernel.org List-ID: Preferred style is to use kcalloc and kmalloc_array. Signed-off-by: Stephen Hemminger --- a/drivers/net/virtio_net.c 2016-07-26 09:13:19.805400983 -0700 +++ b/drivers/net/virtio_net.c 2016-07-26 09:13:19.801400965 -0700 @@ -1551,13 +1551,13 @@ static int virtnet_find_vqs(struct virtn virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ); /* Allocate space for find_vqs parameters */ - vqs = kzalloc(total_vqs * sizeof(*vqs), GFP_KERNEL); + vqs = kzalloc(total_vqs, sizeof(*vqs), GFP_KERNEL); if (!vqs) goto err_vq; - callbacks = kmalloc(total_vqs * sizeof(*callbacks), GFP_KERNEL); + callbacks = kmalloc_array(total_vqs, sizeof(*callbacks), GFP_KERNEL); if (!callbacks) goto err_callback; - names = kmalloc(total_vqs * sizeof(*names), GFP_KERNEL); + names = kmalloc_array(total_vqs, sizeof(*names), GFP_KERNEL); if (!names) goto err_names; @@ -1613,10 +1613,10 @@ static int virtnet_alloc_queues(struct v { int i; - vi->sq = kzalloc(sizeof(*vi->sq) * vi->max_queue_pairs, GFP_KERNEL); + vi->sq = kcalloc(vi->max_queue_pairs, sizeof(*vi->sq), GFP_KERNEL); if (!vi->sq) goto err_sq; - vi->rq = kzalloc(sizeof(*vi->rq) * vi->max_queue_pairs, GFP_KERNEL); + vi->rq = kcalloc(vi->max_queue_pairs, sizeof(*vi->rq), GFP_KERNEL); if (!vi->rq) goto err_rq;