Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754848AbcJNLpR (ORCPT ); Fri, 14 Oct 2016 07:45:17 -0400 Received: from mout.web.de ([212.227.15.14]:53959 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754716AbcJNLm0 (ORCPT ); Fri, 14 Oct 2016 07:42:26 -0400 Subject: [PATCH 1/5] [media] winbond-cir: Use kmalloc_array() in wbcir_tx() To: linux-media@vger.kernel.org, =?UTF-8?Q?David_H=c3=a4rdeman?= , Mauro Carvalho Chehab , Sean Young References: <566ABCD9.1060404@users.sourceforge.net> <1d7d6a2c-0f1e-3434-9023-9eab25bb913f@users.sourceforge.net> Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: SF Markus Elfring Message-ID: <74b439c6-fa6f-1f78-424a-ebeb6c8bbb4f@users.sourceforge.net> Date: Fri, 14 Oct 2016 13:41:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <1d7d6a2c-0f1e-3434-9023-9eab25bb913f@users.sourceforge.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:BMWS6j7U7m6HN+B4yZT72cicgDBUV8BfnbOi6GOV382AQRSoF7o JoN9ZJPWzEPXVhGTSZ5i+YoA7NNFKds47A7QAL5WUP1XPK+15mxgp+qipDEBoowOmS3sGfY /GWjg6J46HMdhKC2Yb/exkoGYhk5UpwFWbv+gTuR/wOfwstex3WMaVI1mI47wGFk30I9XQ3 P3UtRX+HVbobpm+9LKV+A== X-UI-Out-Filterresults: notjunk:1;V01:K0:hx4MhBLA+dI=:lcaN1aVSWCcgYs+PFgpBi2 hyCWXAorVDkNoZoLORT2AwNVY8I38rIuL/MsmAcq0dc3VZD0nVboU6Ryl9CD9N0gHCuHalEnK oor7g+dZqNlQjyOFnm6VZb2bqpYJkW4p3vdD7+VYslMJ7kJ4XXT0L7/w7qtU2XeCT2UQRNYbH PT/awFyKF8gBSc288BlUfaIJfNxkcOEgxkw4Uw1/7hHbUaAGfasfCI/deOg/O83a0SHplI06t nzDJrKaHbxK4mSqO9itiO0LGje8PdbxavDJhGYWjNkdKW7FQHOLn5ulPpWV0CxX/KusjlOOPI iSyTwMDUATYDWy3SPI000ir9sbrIi3p6es9o7W0S0VgEIkA0GemYEGFSwzOj+UtFQ5eKLKhRm OW5bTob0UU0FVgcRdVfAy6GpfXPmJjOGesk9RsAjeOSfRgBiG54k0H8+YosDpr4lULlyOP/aA CXwnNrTyISLFwoVj8YiAKx/JbrdQ3nvX/fPHauDZfD3wdeN3diUvG6EBwOzKxkRkAHH5K6nMr ZtqkPnRva7FwJ97cSYSvxqrptwlE5F/D7MXvTgHMBiuwRdkAlkYOaHWH3VxGJjfHk5Kup+C3J PRURYxpY4XpLv9CK5LLzoRo87fqQUFTGJlwF2Fqf/ilGvj7Akmu22exIODw/DO3FqCPlLC+6i 9b+cERD1RwR4G3x6JTShT6qaZzHYdIWiomYbj4wnzr9/6K3dOZJvWGX+/igjH87/edtGfHMw2 CcpXXfy1bb2q/Xyvb8MaWhMDQbEQSgCJEkow5C81jLO6dnnFt9tfp8egKi45LR66RtWgDFTJB nMy2nBh Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 930 Lines: 29 From: Markus Elfring Date: Fri, 14 Oct 2016 07:19:00 +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/media/rc/winbond-cir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c index 95ae60e..59050f5 100644 --- a/drivers/media/rc/winbond-cir.c +++ b/drivers/media/rc/winbond-cir.c @@ -660,7 +660,7 @@ wbcir_tx(struct rc_dev *dev, unsigned *b, unsigned count) unsigned i; unsigned long flags; - buf = kmalloc(count * sizeof(*b), GFP_KERNEL); + buf = kmalloc_array(count, sizeof(*b), GFP_KERNEL); if (!buf) return -ENOMEM; -- 2.10.1