From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 01/21] ACPI-video: Use kmalloc_array() in acpi_video_get_levels() Date: Mon, 5 Sep 2016 18:45:05 +0200 Message-ID: <3af3b2e0-7cca-033c-da7e-caa1c62e20bb@users.sourceforge.net> References: <566ABCD9.1060404@users.sourceforge.net> <897ebf36-2fe5-e109-adf6-b81b6e863d9a@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <897ebf36-2fe5-e109-adf6-b81b6e863d9a@users.sourceforge.net> Sender: kernel-janitors-owner@vger.kernel.org To: linux-acpi@vger.kernel.org, Hans de Goede , Len Brown , "Rafael J. Wysocki" , Zhang Rui Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall , Paolo Bonzini List-Id: linux-acpi@vger.kernel.org From: Markus Elfring Date: Mon, 5 Sep 2016 11:33:30 +0200 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/acpi/acpi_video.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index c5557d0..3d39b53 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -784,8 +784,9 @@ int acpi_video_get_levels(struct acpi_device *device, goto out; } - br->levels = kmalloc((obj->package.count + 2) * sizeof *(br->levels), - GFP_KERNEL); + br->levels = kmalloc_array(obj->package.count + 2, + sizeof(*br->levels), + GFP_KERNEL); if (!br->levels) { result = -ENOMEM; goto out_free; -- 2.10.0