From patchwork Mon Jul 27 13:51:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 65856 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1k03Sp-00FJ4P-9R; Mon, 27 Jul 2020 13:46:47 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728711AbgG0Nvz (ORCPT + 1 other); Mon, 27 Jul 2020 09:51:55 -0400 Received: from smtp11.smtpout.orange.fr ([80.12.242.133]:34738 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728577AbgG0Nvy (ORCPT ); Mon, 27 Jul 2020 09:51:54 -0400 Received: from localhost.localdomain ([93.23.198.229]) by mwinf5d90 with ME id 8Drs230084xT3VZ03Drsf6; Mon, 27 Jul 2020 15:51:53 +0200 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Mon, 27 Jul 2020 15:51:53 +0200 X-ME-IP: 93.23.198.229 From: Christophe JAILLET To: mchehab@kernel.org, akpm@linux-foundation.org, rppt@kernel.org, hverkuil-cisco@xs4all.nl Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 2/2] media: bt8xx: avoid a useless memset Date: Mon, 27 Jul 2020 15:51:51 +0200 Message-Id: <20200727135151.54757-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,FREEMAIL_FORGED_FROMDOMAIN=0.001,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Avoid a memset after a call to 'dma_alloc_coherent()'. This is useless since commit 518a2f1925c3 ("dma-mapping: zero memory returned from dma_alloc_*") Signed-off-by: Christophe JAILLET --- drivers/media/pci/bt8xx/btcx-risc.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/pci/bt8xx/btcx-risc.c b/drivers/media/pci/bt8xx/btcx-risc.c index 13bb1490a568..b3179038b900 100644 --- a/drivers/media/pci/bt8xx/btcx-risc.c +++ b/drivers/media/pci/bt8xx/btcx-risc.c @@ -73,7 +73,6 @@ int btcx_riscmem_alloc(struct pci_dev *pci, dprintk("btcx: riscmem alloc [%d] dma=%lx cpu=%p size=%d\n", memcnt, (unsigned long)dma, cpu, size); } - memset(risc->cpu,0,risc->size); return 0; }