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 9CBB4C54EAA for ; Fri, 27 Jan 2023 14:55:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234057AbjA0Ozo (ORCPT ); Fri, 27 Jan 2023 09:55:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229542AbjA0Ozm (ORCPT ); Fri, 27 Jan 2023 09:55:42 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F9C63BD95 for ; Fri, 27 Jan 2023 06:55:41 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1BCD261CC6 for ; Fri, 27 Jan 2023 14:55:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F4ADC4339B for ; Fri, 27 Jan 2023 14:55:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1674831340; bh=HvNrME+MM8yn4e0AkTN+4TlH0dGTPBFUw82z5J9q42o=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=BdOJeA81z8ETj4H1loxExyGMkjmJU71jtbn48u+zJKPN3npJkLLrD1DTEzUDyITfh HDqTrjXvFpiXuIEuPBw7xP+bQB9UR3OKcBZE0Wj/jO/o2DOm/GpsZdFzd+ezW+6aVY f7vkv2VfyHsdtcELdVnqBZgKL0QiRw8bCP2POSD0+CpoJrqlBwp8PfKmahn0PF+jjF HYYg55akVUd+tMg51h5/kAo8OV5jd8bVZJki/YUmBOxUtU7/k6Lgfiay4apwLTfT9S 0QvmA/4vc5njTRfs5fd7yf1UrbXlYNPr4ZVd1HvysynF6AuxpKgStRD4NXfSxBX4CW 6qEPoZsjkkPcg== Received: by mail-lf1-f54.google.com with SMTP id d30so8510643lfv.8 for ; Fri, 27 Jan 2023 06:55:40 -0800 (PST) X-Gm-Message-State: AFqh2koyxEkIzimx10vLgg7g2CsXDeaL8lK+zOak3gI+eNky8r0YwWIS 7ggFm23OT8o7HeTNH4zjg8bjntkwhYS1P4ftYQ== X-Google-Smtp-Source: AMrXdXt+OmlRKcer++n7fCu4l2zdWFvwQbkW53r+2SZjCqH0XMEpiXMeFESigK5NF723T8csDUcyNE8hgDt/kcl9nxk= X-Received: by 2002:a05:6512:1105:b0:4cb:f29:e2b0 with SMTP id l5-20020a056512110500b004cb0f29e2b0mr3003381lfg.404.1674831338572; Fri, 27 Jan 2023 06:55:38 -0800 (PST) MIME-Version: 1.0 References: <20221205095115.2905090-1-ruanjinjie@huawei.com> <378232f4-5c2e-ad56-c4ec-4d9f72f08755@collabora.com> In-Reply-To: <378232f4-5c2e-ad56-c4ec-4d9f72f08755@collabora.com> From: Chun-Kuang Hu Date: Fri, 27 Jan 2023 22:55:26 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] drm/mediatek: mtk_drm_crtc: Add checks for devm_kcalloc To: AngeloGioacchino Del Regno Cc: ruanjinjie , chunkuang.hu@kernel.org, p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, matthias.bgg@gmail.com, seanpaul@chromium.org, ck.hu@mediatek.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Ruanjinjie: Applied to mediatek-drm-next [1], thanks. [1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/= log/?h=3Dmediatek-drm-next Regards, Chun-Kuang. AngeloGioacchino Del Regno =E6=96= =BC 2022=E5=B9=B412=E6=9C=885=E6=97=A5 =E9=80=B1=E4=B8=80 =E4=B8=8B=E5=8D=887:5= 3=E5=AF=AB=E9=81=93=EF=BC=9A > > Il 05/12/22 10:51, ruanjinjie ha scritto: > > As the devm_kcalloc may return NULL, the return value needs to be check= ed > > to avoid NULL poineter dereference. > > > > Fixes: 31c5558dae05 ("drm/mediatek: Refactor plane init") > > Signed-off-by: ruanjinjie > > Reviewed-by: AngeloGioacchino Del Regno >