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 A78201A3172; Fri, 4 Apr 2025 15:11:56 +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=1743779516; cv=none; b=mEIUV0GapI1ja4q6AIY3hTOwafAdtavpMSerVZ6KVm/i+Y3Zu1a7aqTrT9mpE/j+eCfQ3zh9nynAaaITdJjPaX42ilDMZVptLhKz5TuaWh17DVqBhmHtUjQO3fEcYBFTcBeUghNJJ5UBUcMvuB1jzS+hO0Fk37vAeWSxNdVzBdE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743779516; c=relaxed/simple; bh=E5w6pjZPs5pNVgmLcae3JWpXqM9z7gWCU8pWPUyis3o=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=SIpvXbQ6/wQAeglXC+jTtVhyv66FJce7u/4l29MEa198iguRQO+mnRbqDP7oeL0IV2ihl0GR/j2B/q8iY7x4WMI0qqLuklWB4Zn68A2id6QhLEUUYRW5pFe7xBKft2K8jREXJNkk3Z2dWul/kIJAWPnxN+hwWXnKxxb01ShNFsw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Qdmxfg9s; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Qdmxfg9s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 548E2C4CEE9; Fri, 4 Apr 2025 15:11:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743779516; bh=E5w6pjZPs5pNVgmLcae3JWpXqM9z7gWCU8pWPUyis3o=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=Qdmxfg9sNdy1Qpx8MB/cKv0UT6R2yNNI3F3pH02LLCH7lEt5HwLB3kJcioJIlz5v4 1+6phH/J2ngQ0t8AXPchQ+4rhZRKkFitqhPUWXZE4u7XLGAHFD1n7zCSfdglt0JAm7 8TtXmdN5RjJiDh7VaVj6F6A+/HTrA/uQA44C9PeMyWBXfuMjjeGze6U/GoqjDELDg5 GB7fO0AuX1HXgEuCgE+1EFjRfbGso2ifiLeJTcMtEwHtF4EKGfXrrX/hZuaFPZsUw/ xw7C3KpGMBES7dCqpkFTIEMb0KkCwrouRo+IX+7fsSGyyqCRGtPFw2doe+8VZ03+Am 9SpFfoC3n3hvA== From: Lee Jones To: danielt@kernel.org, Henry Martin Cc: lee@kernel.org, jingoohan1@gmail.com, deller@gmx.de, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov In-Reply-To: <20250401091647.22784-1-bsdhenrymartin@gmail.com> References: <20250401091647.22784-1-bsdhenrymartin@gmail.com> Subject: Re: (subset) [PATCH v4] backlight: pm8941: Add NULL check in wled_configure() Message-Id: <174377951404.402191.3996310155954584937.b4-ty@kernel.org> Date: Fri, 04 Apr 2025 16:11:54 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Mailer: b4 0.15-dev-510f9 On Tue, 01 Apr 2025 17:16:47 +0800, Henry Martin wrote: > devm_kasprintf() returns NULL when memory allocation fails. Currently, > wled_configure() does not check for this case, which results in a NULL > pointer dereference. > > Add NULL check after devm_kasprintf() to prevent this issue. > > > [...] Applied, thanks! [1/1] backlight: pm8941: Add NULL check in wled_configure() commit: b0fdeb96ead46de57a6226bc3a3ac7f9b50c0ace -- Lee Jones [李琼斯]