From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D9D128A419; Wed, 23 Apr 2025 15:04:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745420661; cv=none; b=EVz1/9PuQ9/WFI8LYC9vGZn1k7zCw1ox3UrrtWOYDECpQbF0p+lm49T7qacbxjhO17LJ4K/BbJRYfetUWja9DuB0jPZSmoy7/Emx8MSSfp3i8g/P2kWnCRmArQ7JU7aruCNU28gW5w7uja7ZsXsMiwOW77L9DzVHOuPd5eDwsrI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745420661; c=relaxed/simple; bh=5sGWRvHneMxcFkcHN6NVakmiWGh9bAbFM9gB2KbZQHI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UdPXI+QKT6V3NmBShJMWIbYW9e5ZfW1cgoqmw0dureStaRSz8EjeF9pSeQmE4WFncvKpVFRzfdDc67Wbom+bjtt/AAgSZ3+Y2czpg9Iuc7WaaaWo5bZGDJh5Y373WuycyFcWDNx2OVDgBteXraja4GV1YvXNG5i/KxQ4LMbzvVA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=o6S1Me70; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="o6S1Me70" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6BA1C4CEE8; Wed, 23 Apr 2025 15:04:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745420661; bh=5sGWRvHneMxcFkcHN6NVakmiWGh9bAbFM9gB2KbZQHI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o6S1Me70vYnD/lR1SXhDskchpLBQ10o561lQfYM+EoxEdD1cQyW9Pd/0QS2s+0ZF1 QopiC1vJdRYyGH/X4y0dj6JDX2cxAij7cz8zkN1IejjidDVpSNlpnXEqStxLIQIw3d MpayI5AHFYFU4RDxR0URwIJWplFAfuRVew71dy28= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haoxiang Li , Abhinav Kumar , Dmitry Baryshkov Subject: [PATCH 6.12 150/223] drm/msm/dsi: Add check for devm_kstrdup() Date: Wed, 23 Apr 2025 16:43:42 +0200 Message-ID: <20250423142623.289801051@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250423142617.120834124@linuxfoundation.org> References: <20250423142617.120834124@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Haoxiang Li commit 52b3f0e118b1700e5c60ff676a1f522ce44fadc8 upstream. Add check for the return value of devm_kstrdup() in dsi_host_parse_dt() to catch potential exception. Fixes: 958d8d99ccb3 ("drm/msm/dsi: parse vsync source from device tree") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/638297/ Link: https://lore.kernel.org/r/20250219040712.2598161-1-haoxiang_li2024@163.com Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/msm/dsi/dsi_host.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1827,8 +1827,15 @@ static int dsi_host_parse_dt(struct msm_ __func__, ret); goto err; } - if (!ret) + if (!ret) { msm_dsi->te_source = devm_kstrdup(dev, te_source, GFP_KERNEL); + if (!msm_dsi->te_source) { + DRM_DEV_ERROR(dev, "%s: failed to allocate te_source\n", + __func__); + ret = -ENOMEM; + goto err; + } + } ret = 0; if (of_property_read_bool(np, "syscon-sfpb")) {