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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u9-20020a170906b10900b007707ab4be28si496634ejy.972.2022.09.19.23.40.33; Mon, 19 Sep 2022 23:40:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=es8BM0wH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230173AbiITGRE (ORCPT + 99 others); Tue, 20 Sep 2022 02:17:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229611AbiITGRC (ORCPT ); Tue, 20 Sep 2022 02:17:02 -0400 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 280E55A809 for ; Mon, 19 Sep 2022 23:17:02 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id e68so1818042pfe.1 for ; Mon, 19 Sep 2022 23:17:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date; bh=B6hSOiP8g8zcB6u4AKVglZyJoOdoT3fhziHHZ2QNmtU=; b=es8BM0wHkkzQAHxB0FX0GkmJEUxTn7K2VBAKKB3V5Bk5RYldxiY1m/fyt7ORwTs7Sw csjSUYauRJ+zWLh+31MhKh1QzaG4X2QflkslS3Y/R6eq0RtQsDNF482Pvyx95yEB2h2v u++rZmqHdt9U4myFqAn+aqKWT6ORWPMZkRK4xisBADSw4nOutil1IZOlVAZ8JJ2hPGGD CBe2me9EEDC1VuuzhhUkCsuI6roiSSWN8m4N6roaRxJ+rRA3pFvXig9IFw5i5lpSPTIU HxTQn916nob2CMwjr6VmXfGxkOtfohiNsN3Aj2l0FtreW0PLFlZGuGLpoPpQC45mI56z H7QQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date; bh=B6hSOiP8g8zcB6u4AKVglZyJoOdoT3fhziHHZ2QNmtU=; b=Oeyz/Ub4MZE8vZbLxQDSRQB4JU+c73n17h7DjCti3+LhCigFeYhOiWr8YTWEn+kxlm pgPygkU/kErhkkT1MphDSHBpJ6X5XgyIz8Jt1s8388EpSTUJ77+ReCMrs+68xd9zCzl4 8ZWkekn3TYDp2bKKV7XR9p71EJABRcZy8ABea1RlfOh0gqzvDeDm/K3MdWs+mE4VTKes LifjpunS41FXPnxFR4b8mHjdNOufgeuqKp/sRahvgw7jwWkir30cAaYKv5N74w80HTsr FPUdWp+/X5qgcQSktwYtd43Ao067mKHBMbP3AIdXR0QSGGFqEWJveXUK1CmX7v1xvTI5 /5FA== X-Gm-Message-State: ACrzQf0PTp1M/mHbobnEf8nW5Ee9KxFeEo591fa4eDD91pvQiadXezXp GVnp9xIwtzZV3pMBl3Qr8MI= X-Received: by 2002:a63:4918:0:b0:439:1802:dda3 with SMTP id w24-20020a634918000000b004391802dda3mr18537836pga.467.1663654621642; Mon, 19 Sep 2022 23:17:01 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id t17-20020a170902e1d100b001708c4ebbaesm461317pla.309.2022.09.19.23.16.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Sep 2022 23:17:00 -0700 (PDT) From: cgel.zte@gmail.com X-Google-Original-From: chi.minghao@zte.com.cn To: andrzej.hajda@intel.com Cc: neil.armstrong@linaro.org, robert.foss@linaro.org, Laurent.pinchart@ideasonboard.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Minghao Chi Subject: [PATCH V2] drm: bridge/dw-hdmi-ahb-audio: use strscpy() is more robust and safer Date: Tue, 20 Sep 2022 06:16:55 +0000 Message-Id: <20220920061655.214785-1-chi.minghao@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Minghao Chi The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL terminated strings. Signed-off-by: Minghao Chi --- v1->v2 using DRIVER_NAME instead of "DW-HDMI". drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c index 7d2ed0ed2fe2..8cb6177f976d 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c @@ -542,8 +542,8 @@ static int snd_dw_hdmi_probe(struct platform_device *pdev) if (ret < 0) return ret; - strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver)); - strlcpy(card->shortname, "DW-HDMI", sizeof(card->shortname)); + strscpy(card->driver, DRIVER_NAME, sizeof(card->driver)); + strscpy(card->shortname, DRIVER_NAME, sizeof(card->shortname)); snprintf(card->longname, sizeof(card->longname), "%s rev 0x%02x, irq %d", card->shortname, revision, data->irq); @@ -561,7 +561,7 @@ static int snd_dw_hdmi_probe(struct platform_device *pdev) dw->pcm = pcm; pcm->private_data = dw; - strlcpy(pcm->name, DRIVER_NAME, sizeof(pcm->name)); + strscpy(pcm->name, DRIVER_NAME, sizeof(pcm->name)); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_dw_hdmi_ops); /* -- 2.25.1