From nobody Sat May 9 10:42:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43C98C433EF for ; Mon, 16 May 2022 03:21:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238261AbiEPDVT (ORCPT ); Sun, 15 May 2022 23:21:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235755AbiEPDVO (ORCPT ); Sun, 15 May 2022 23:21:14 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30BF519F95 for ; Sun, 15 May 2022 20:21:14 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id nk9-20020a17090b194900b001df2fcdc165so2857678pjb.0 for ; Sun, 15 May 2022 20:21:14 -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=GpDUSimbrzEPEd3o17+4lNfr+RdsexkUxYvwoe9kHpY=; b=GDhlqPSck9+19ik3Lm/u0hqP35Hb8ewA/ihWbx7jo6/1gXcOdZGFtJ6qNk37b3tCDG 75YQHEwjHW1ZN+gLhtfo1Tq2Dm4yUQbwAtEtS2mw4HSYwz2nZdRijXpY3nVtSjjdzsjn N0UOPUDbdKJ4VnVkQeYp/Au63B8n9pUmodp2Q69+xanZwOd/UlHqeyGm/TqMbeQ1wp31 U/MfQ+x1yz5ATrFThS4Y9x5+pBL4WEeJUCQ67q3XU3gOD9wbAiIdH3SdMauzXwPLourS wYts5dagziiVEjjxrpvRA+uupjMCvjlR7lC+rb7+GjOrK6D1Y+HF/X4SRlIJPJaopWyG bNfQ== 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=GpDUSimbrzEPEd3o17+4lNfr+RdsexkUxYvwoe9kHpY=; b=R0+TDQz3jd7NJ/qHcFLBPbKJjFJdbFbnsd7eN1MwrVrD+BQCnu6ExbUWEEmkjBYPFg HXzR5X/45NOlEI78uPp214Vqow0e9IlpRPouG0EcVm+Tk+jHDzLy8uxc+QLBxnw6tGkS 3052uIWSnhda1gHApJD7eoewJ+ft0D9tLAz3bGwbp7YMo65IbXDgS03CpZFTy6RqM955 ZBUSpRLx3whvPj6LRK77X8IQLyN+/1BOTmXPp1nefAtKtxqjK2AGqySpURa5fsFuVW3+ JZBIXf2Y2PoS8ue3RZYhOufLyIP0fhRNW7udTKSaPOyLUU30j8+IJF7/PFxuK73ei0DH JjLQ== X-Gm-Message-State: AOAM533D1LTT5deK+vGCrT/rzlZYoHBwA4oajik75RBhcPzke9we47so FQrfG6l6DsJpgnpLIoajFqA= X-Google-Smtp-Source: ABdhPJx78R8siU/VX2wrXmCmzFaypYMY6otsvG0bnoou/lanFR0mXroANYhKF69EHrKcre9eNMwCsQ== X-Received: by 2002:a17:90a:ba88:b0:1df:4302:4970 with SMTP id t8-20020a17090aba8800b001df43024970mr5159325pjr.227.1652671273709; Sun, 15 May 2022 20:21:13 -0700 (PDT) Received: from localhost.localdomain ([103.84.139.165]) by smtp.gmail.com with ESMTPSA id y200-20020a6264d1000000b0050dc76281easm5604430pfb.196.2022.05.15.20.21.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 May 2022 20:21:13 -0700 (PDT) From: Hangyu Hua To: airlied@linux.ie, daniel@ffwll.ch, lyude@redhat.com, tzimmermann@suse.de, jani.nikula@intel.com, Bhawanpreet.Lakha@amd.com, Wayne.Lin@amd.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Hangyu Hua Subject: [PATCH] drm: dp: fix a possible memory leak in fetch_monitor_name() Date: Mon, 16 May 2022 11:20:42 +0800 Message-Id: <20220516032042.13166-1-hbh25y@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" drm_dp_mst_get_edid call kmemdup to create mst_edid. So mst_edid need to be freed after use. Signed-off-by: Hangyu Hua Reviewed-by: Lyude Paul --- drivers/gpu/drm/dp/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/dp/drm_dp_mst_topology.c b/drivers/gpu/drm/dp/= drm_dp_mst_topology.c index 11300b53d24f..7a7cc44686f9 100644 --- a/drivers/gpu/drm/dp/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/dp/drm_dp_mst_topology.c @@ -4852,6 +4852,7 @@ static void fetch_monitor_name(struct drm_dp_mst_topo= logy_mgr *mgr, =20 mst_edid =3D drm_dp_mst_get_edid(port->connector, mgr, port); drm_edid_get_monitor_name(mst_edid, name, namelen); + kfree(mst_edid); } =20 /** --=20 2.25.1