From patchwork Tue Dec 17 07:00:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pan Zhang X-Patchwork-Id: 11296931 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5360C930 for ; Tue, 17 Dec 2019 07:01:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 301F9206D8 for ; Tue, 17 Dec 2019 07:01:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726699AbfLQHBG (ORCPT ); Tue, 17 Dec 2019 02:01:06 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:39718 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726167AbfLQHBG (ORCPT ); Tue, 17 Dec 2019 02:01:06 -0500 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id F0EF067AFBA0ED9A0CC5; Tue, 17 Dec 2019 15:01:01 +0800 (CST) Received: from huawei.com (10.175.127.16) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.439.0; Tue, 17 Dec 2019 15:00:54 +0800 From: Pan Zhang To: , , , , , CC: , Subject: [PATCH] mmc: host: use kzalloc instead of kmalloc and memset Date: Tue, 17 Dec 2019 15:00:37 +0800 Message-ID: <1576566037-29837-1-git-send-email-zhangpan26@huawei.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.175.127.16] X-CFilter-Loop: Reflected Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Signed-off-by: Pan Zhang --- drivers/mmc/host/vub300.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c index 6ced1b7..e893ced 100644 --- a/drivers/mmc/host/vub300.c +++ b/drivers/mmc/host/vub300.c @@ -1227,12 +1227,10 @@ static void __download_offload_pseudocode(struct vub300_mmc_host *vub300, size -= 1; if (interrupt_size < size) { u16 xfer_length = roundup_to_multiple_of_64(interrupt_size); - u8 *xfer_buffer = kmalloc(xfer_length, GFP_KERNEL); + u8 *xfer_buffer = kzalloc(xfer_length, GFP_KERNEL); if (xfer_buffer) { int retval; memcpy(xfer_buffer, data, interrupt_size); - memset(xfer_buffer + interrupt_size, 0, - xfer_length - interrupt_size); size -= interrupt_size; data += interrupt_size; retval =