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 8261D25335B; Tue, 29 Apr 2025 18:15:07 +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=1745950507; cv=none; b=UgBMEmGpnS9Z3zWi0vygJ4ZZrCBHmfTL6K4d2Py8laBJxAv0POu7DvliBhE9lhfR2fB982H6HIHxn/Ibzv+yEvHpY7XuGnSLRZKvrtGX+/N62Mzzwn2H8T6PyCadpNTYJPt3yLNZEwPjWfAq+mNHPIwEGefitwmv/9qQT9qlT58= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745950507; c=relaxed/simple; bh=ilciZuYDfmsxcTGm86QduraEIrAMuDL3Mx4cIqyt3vg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=k2fjkboOGcm68RMFO8cAwDBu1XB2HVkF0tJVnZpsDWIU+8zX+H5MwW7IYrMCaKf1QSRm0Eshlop7qDXmeHMFxTLRPVx8EKEkKRuzt1torFyExzkcOY/uphEhSq+EPYAg6nzDCJVrkSA/cuG1OnZNFlm9wf5/LmGcryfmg8LJG50= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=a8eujtEx; 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="a8eujtEx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E195DC4CEE3; Tue, 29 Apr 2025 18:15:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745950507; bh=ilciZuYDfmsxcTGm86QduraEIrAMuDL3Mx4cIqyt3vg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a8eujtEx5sfqm8a8dlY3mUr9+/oLZGWjho20m36P2woYHyAQbUhuT5jPJ3+zAQ/0r z1F81LuRakyXmfLLomeH3ChUIA0ojWf3xAM1ZFOAvKnBk9wdq91tg3LgQmfSCMQpzD aEiKjBPM4RD0S3F2ey/9YjLJlFjGkvQtr88wMoNw= 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 6.6 117/204] pinctrl: renesas: rza2: Fix potential NULL pointer dereference Date: Tue, 29 Apr 2025 18:43:25 +0200 Message-ID: <20250429161104.224920894@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250429161059.396852607@linuxfoundation.org> References: <20250429161059.396852607@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 6.6-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 c5d733216508e..df660b7e1300c 100644 --- a/drivers/pinctrl/renesas/pinctrl-rza2.c +++ b/drivers/pinctrl/renesas/pinctrl-rza2.c @@ -243,6 +243,9 @@ 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