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 536122AE96; Tue, 29 Apr 2025 18:06:49 +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=1745950009; cv=none; b=ifacgBZ4jE2DQ1bmJORu0E8UT+0XrYPwZcL60dGirYFwXe5fzihxQ7jFSJVjWkyY5V6D5S8NTZeZF8LwYROJDBKCrVY1g569sJU+M9uCOWNZJjOgH5AMwjR/xTqmVLNw2k1qH7fTVNC5ahyY8TXgmX/H509J+gOBSrf4li/bMOw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745950009; c=relaxed/simple; bh=KeEHWttNwzuONz8rfPjWz7iZdxMcjlg5Yi69QUhqn+Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gnaf8VH7NI7RwP1gFzw3cWPUS098jtZpQiflI91PwjSdY0WT3Fmm/9wzixjDdYtnNs06YFhaJzKE91g6e9GJqtFfSvrI39Qhy1dp70f0toERMsy7jFnQ2B2Q4sdR0IQmAZc3FaHXeQrXfFUdTJvtLHgfrTnSECff9DtABUe2ldM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ctwSe2Uv; 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="ctwSe2Uv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4CC4C4CEE3; Tue, 29 Apr 2025 18:06:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745950009; bh=KeEHWttNwzuONz8rfPjWz7iZdxMcjlg5Yi69QUhqn+Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ctwSe2UvVnMxE+iIRM/jAAORMSzM4QOoxv8jHDmum5mTLMG0RcqJge30eQymsKkWm UdPPlzUoK6TPO68bXhFBhMX/boeTGXHW3KsdBdGFqeAiivJJBf3YAfnc0jq1rU1ysy TpayDs+npcETJnOoneJnQavbh9p934PltShrU0tM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chenyuan Yang , Geert Uytterhoeven , Matthias Brugger , Sasha Levin Subject: [PATCH 6.1 097/167] pinctrl: renesas: rza2: Fix potential NULL pointer dereference Date: Tue, 29 Apr 2025 18:43:25 +0200 Message-ID: <20250429161055.678277557@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250429161051.743239894@linuxfoundation.org> References: <20250429161051.743239894@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chenyuan Yang [ Upstream commit f752ee5b5b86b5f88a5687c9eb0ef9b39859b908 ] `chip.label` in rza2_gpio_register() could be NULL. Add the missing check. Signed-off-by: Chenyuan Yang Reviewed-by: Geert Uytterhoeven Reviewed-by: Matthias Brugger Link: https://lore.kernel.org/20250210232552.1545887-1-chenyuan0y@gmail.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- drivers/pinctrl/renesas/pinctrl-rza2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pinctrl/renesas/pinctrl-rza2.c b/drivers/pinctrl/renesas/pinctrl-rza2.c index 2d6072e9f5a87..6f0d3fda61c24 100644 --- a/drivers/pinctrl/renesas/pinctrl-rza2.c +++ b/drivers/pinctrl/renesas/pinctrl-rza2.c @@ -242,6 +242,9 @@ static int rza2_gpio_register(struct rza2_pinctrl_priv *priv) int ret; chip.label = devm_kasprintf(priv->dev, GFP_KERNEL, "%pOFn", np); + if (!chip.label) + return -ENOMEM; + chip.parent = priv->dev; chip.ngpio = priv->npins; -- 2.39.5