From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFE79C43215 for ; Tue, 26 Nov 2019 13:48:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C7676207DD for ; Tue, 26 Nov 2019 13:48:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="VKvHmCQa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727783AbfKZNsF (ORCPT ); Tue, 26 Nov 2019 08:48:05 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:40500 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727792AbfKZNsF (ORCPT ); Tue, 26 Nov 2019 08:48:05 -0500 Received: by mail-wm1-f68.google.com with SMTP id y5so3375336wmi.5 for ; Tue, 26 Nov 2019 05:48:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=FGcA+7vXxKRcx6WDSWBFCHWdIUoDEfsPZ4JhROdYid4=; b=VKvHmCQaqG9cbzGD/BEhjAPf+5Yd7t9LPkjwrNVr9MEv8aXUgCTJrPZROLJK5yggWG yqXktUtg64BjgQGJzdFZHaU+sDneHVCk/C7OMvDTZHPj65jXWRG6idKl2YXxMfiT9ZID r/GEnw0ITh/T8652LMgL/e2gNQQOk2OsYc/AKMZF1c750tejsvq+uIVfLyYLJe2zTzui na2GicsuTK0J/eCnGzE/tei9pkhlOoOAzJiF9f2o0KE4TJ0U5mkT3REMp7ue1pVOueLj cOf9JY0JuBeBNM1RqbZNAJ0yrVVIWQG0CHFNzk+iXS6Y59LraYgEUapJGl2GXpBhNkOS H94g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FGcA+7vXxKRcx6WDSWBFCHWdIUoDEfsPZ4JhROdYid4=; b=DBZi2pHlLwIlu+lqYJjZmg4LvcjvSe1HnmD42BqqeKNaAhaIjABs+UmuxuUCBSlxW1 1JWa2nEDz0MtpEijeEVEdrRtTc+tCKfqnIH9FYWlpOGP/KftYU0+SLTCQfpREN2LV4Zb HJ6lvVCnj68sOXK5KYyIXCOlzHkGbzzTGDFBFcpNOjTo4FFqcT77VYWQdu7EsDk7erWN bHlDJI7AThijEpgcRcoUHlxycW7z4OnnPYUB82uW3SAtvxgZ02p8cvAWaaPW7/EK5ZbQ TvxxpIeMGvz8PkdDVj1zhDO/TEaIcA/KvIAse0M0zgk1uiNvH6hGppTb9IaknscNZk+d hy8g== X-Gm-Message-State: APjAAAX+l+N44KPmrLdQt7Qc+9/l08EfYknWMxCAAAQj7+kl7MF/qZ6z gPsWkRrN43PojfJ/yggou+G0uFsaRUA= X-Google-Smtp-Source: APXvYqwIxEXB9L3bmz/Sd/2CQlBlVH+6g0rjU4N5BChvzHWEMVyNczkC8Pav3J+r39jM4C2n1Rv6RQ== X-Received: by 2002:a05:600c:2946:: with SMTP id n6mr4337195wmd.166.1574776082771; Tue, 26 Nov 2019 05:48:02 -0800 (PST) Received: from localhost.localdomain ([95.149.164.72]) by smtp.gmail.com with ESMTPSA id o1sm15085560wrs.50.2019.11.26.05.48.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Nov 2019 05:48:02 -0800 (PST) From: Lee Jones To: stable@vger.kernel.org Subject: [PATCH 4.19 2/3] media: siano: Use kmemdup instead of duplicating its function Date: Tue, 26 Nov 2019 13:47:40 +0000 Message-Id: <20191126134741.12629-2-lee.jones@linaro.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191126134741.12629-1-lee.jones@linaro.org> References: <20191126134741.12629-1-lee.jones@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Wen Yang [ Upstream commit d1732e9fbadf5cb1e36cc3ee1e8dd8a0b7acca91 ] kmemdup has implemented the function that kmalloc() + memcpy(). We prefer to kmemdup rather than code opened implementation. This issue was detected with the help of coccinelle. Signed-off-by: Wen Yang CC: Tomoki Sekiyama CC: linux-kernel@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Lee Jones --- drivers/media/usb/siano/smsusb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c index 3071d9bc77f4..38ea773eac97 100644 --- a/drivers/media/usb/siano/smsusb.c +++ b/drivers/media/usb/siano/smsusb.c @@ -225,10 +225,9 @@ static int smsusb_sendrequest(void *context, void *buffer, size_t size) return -ENOENT; } - phdr = kmalloc(size, GFP_KERNEL); + phdr = kmemdup(buffer, size, GFP_KERNEL); if (!phdr) return -ENOMEM; - memcpy(phdr, buffer, size); pr_debug("sending %s(%d) size: %d\n", smscore_translate_msg(phdr->msg_type), phdr->msg_type, -- 2.24.0