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 EE21A1AE877; Fri, 4 Apr 2025 00:05:01 +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=1743725102; cv=none; b=pvU7ezWiq5EGjAYw6QfSscK/WBvODXG4rduXtk0xBumlGg1sGqQlx2I4v1oatcONgUV3FAx3KtmndC4qXCWgHA4CWu9btD5jou3hatdhOnOZIh+P5458hqHAWUsMP2lq0HVnWZ9XzEiD9c75kU//QE7kNuFbt0JrFjE4/WZ2e1Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743725102; c=relaxed/simple; bh=fv93mNmTgll8s1lzzmMzuD6QI4oex6qpoMEo2aBam74=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=U2MqEuk3xuYTVbZsGduqgK/7OZsU3B5W6jDnezjVEd4Oh4AX7sor2Il36cQsKbrTdfPncbSufH06u7PiiTEp3qH6nWwLbPbTlxmb0LxvQR2OzV1AErBzoVRFI5F+6FMM2phQ/+1HbyHerFAQuqTHPgT2HtfJD5jtPZBmXiHLz5M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PaJsMSNN; 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="PaJsMSNN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D410FC4CEE3; Fri, 4 Apr 2025 00:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743725101; bh=fv93mNmTgll8s1lzzmMzuD6QI4oex6qpoMEo2aBam74=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PaJsMSNNwvgpvBGy9mpHIrdaOk4ru2+NA/qYqfiPkAPj46ciEkKthgjubCVgjprXP WL6TD7PCy78+7zmqzQgq/m2L59ik4w+o5Z2qjBDg6Hs/fuvVAmOGl7HA7nxR347iR7 1T31y3uLmjSz1upjmQy2qnBvFsSOWTjwI0FjmEz84/7CFDdH88hNkYH+trfOSKnejC xMuKfJJO95hrAi5KM1yv9WctFQnPP1kI8n07oi3JPDmhy5gdtzDFXuZ9dYVMtJAvhb f8c9pWWOmZmXmYfWhj3XiakmFcDbbJYqTwNCjDbAkpWbPyLERhNbrlXPGwnVOcLUne cPxOE1yY4wanw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chenyuan Yang , Geert Uytterhoeven , Matthias Brugger , Sasha Levin , linus.walleij@linaro.org, linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH AUTOSEL 6.13 03/22] pinctrl: renesas: rza2: Fix potential NULL pointer dereference Date: Thu, 3 Apr 2025 20:04:32 -0400 Message-Id: <20250404000453.2688371-3-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250404000453.2688371-1-sashal@kernel.org> References: <20250404000453.2688371-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.13.9 Content-Transfer-Encoding: 8bit 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 dd1f8c29d3e75..a654ede01f705 100644 --- a/drivers/pinctrl/renesas/pinctrl-rza2.c +++ b/drivers/pinctrl/renesas/pinctrl-rza2.c @@ -246,6 +246,9 @@ 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