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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id t23-20020a17090ae51700b001d75bbdf9f9si3818625pjy.152.2022.04.22.12.30.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 12:30:32 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=IdhdwlZB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3C8131D65D4; Fri, 22 Apr 2022 11:40:41 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1445663AbiDVIxK (ORCPT + 99 others); Fri, 22 Apr 2022 04:53:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1445657AbiDVIxI (ORCPT ); Fri, 22 Apr 2022 04:53:08 -0400 Received: from mail-qk1-x72e.google.com (mail-qk1-x72e.google.com [IPv6:2607:f8b0:4864:20::72e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 70583BE1B; Fri, 22 Apr 2022 01:50:08 -0700 (PDT) Received: by mail-qk1-x72e.google.com with SMTP id y129so5363043qkb.2; Fri, 22 Apr 2022 01:50:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6nkPYSNqK+Cw/qD6vjcOwkiY8eCBmiuAPmGQItUKZ0E=; b=IdhdwlZB5sTnfN3m5koHQdBJdez4rySc7Gh3bi7zDveBPNwaHnj1HrpLWB8Xu3RN2c q5ELUClQ1eGaDzTesqeK69p+q2L1oemo2Ov5wmUcNXYCEDlOcvXOdt2Hw0DmSI1h7WhL ESqtoX9vIbUmbEFHKbmzUxZYfarIU5Ya8UWTc4Gmgpzj5ghpgmhqmihapgQ0X6TCaORO QHKURbaD7/9p71VIYelAw7VlCWzlHvI+A7tdnmYgx6RRDBxHzP3xs9JOLuUDCKcAZxCw CoHJKZx00cjCZzU+LmYcrHKeW3U+kbOOPWmCjhfSKTo/tzC+r/tPjhS7JsTAioo32o2I fypQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6nkPYSNqK+Cw/qD6vjcOwkiY8eCBmiuAPmGQItUKZ0E=; b=RHCh98n5O0Uj/cLDwMwlhTNkctcTyagNQ9ShRmmiddWUaUwmrs+dawV+e0QKEW8e1u 5ZNlv8LkuWR0dEup/bE5UaTxK0RPs285FmPzAoSk4fgJxQAQngRdGk0Ts7rAgrTHvnH5 PE8s940WULQ2/bbZtoyoWw6OD6IL7XqnsQ6moG8kkkRd3Fw9lKQZveGVrGU2bZEBMrJY AWvilRnqDFKCBbQpAgOIvaxsVKXxkQaogogRAXZXrcVGt3qiiqlZIFK5iVnzvxS7db7W NSXVNpf1ztxlQEJLpDkAQgVcZDuKY7ZcvgLxi/JAcWVJ8cBm1sJz5ubsP26toYvaWnAF hM2A== X-Gm-Message-State: AOAM530zZz4jjH5npk7D1gZYJOQbMcMFtneqcbFvboQcYFm+KieHfcMR gnJz4BUvZbsf3l5LgwxwyS0= X-Received: by 2002:a05:620a:2681:b0:67e:933e:54b6 with SMTP id c1-20020a05620a268100b0067e933e54b6mr1980148qkp.428.1650617407550; Fri, 22 Apr 2022 01:50:07 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id w82-20020a376255000000b0069ee3f0ae63sm653237qkb.45.2022.04.22.01.50.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 01:50:07 -0700 (PDT) From: cgel.zte@gmail.com X-Google-Original-From: lv.ruyi@zte.com.cn To: robdclark@gmail.com, sean@poorly.run, quic_abhinavk@quicinc.com Cc: airlied@linux.ie, daniel@ffwll.ch, swboyd@chromium.org, dmitry.baryshkov@linaro.org, quic_khsieh@quicinc.com, bjorn.andersson@linaro.org, linux@roeck-us.net, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Lv Ruyi , Zeal Robot Subject: [PATCH] drm/msm/dp: fix error check return value of irq_of_parse_and_map() Date: Fri, 22 Apr 2022 08:49:51 +0000 Message-Id: <20220422084951.2776123-1-lv.ruyi@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE autolearn=no 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: Lv Ruyi The irq_of_parse_and_map() function returns 0 on failure, and does not return an negative value. Fixes: 8ede2ecc3e5e ("drm/msm/dp: Add DP compliance tests on Snapdragon Chipsets") Reported-by: Zeal Robot Signed-off-by: Lv Ruyi --- drivers/gpu/drm/msm/dp/dp_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index a42732b67349..3926d2ac107d 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1239,7 +1239,7 @@ int dp_display_request_irq(struct msm_dp *dp_display) dp = container_of(dp_display, struct dp_display_private, dp_display); dp->irq = irq_of_parse_and_map(dp->pdev->dev.of_node, 0); - if (dp->irq < 0) { + if (!dp->irq) { rc = dp->irq; DRM_ERROR("failed to get irq: %d\n", rc); return rc; -- 2.25.1