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 C87FE6774B; Tue, 23 Jan 2024 02:05:16 +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=1705975516; cv=none; b=mO2uBpFGR5XKp2hy6cOwscPHK4Ij8AE2p70qrzvgBWu2DUecRFivBblW4Lbsv38/5S4IMjX0L0AYvpKe1fc/hZvUGWGq78OF6mEDHH4mgyF0VIe9MKTXwfCy77y1gVSoybIjP3flbAyCu2cOs53v7mJY4vfiSBOKRsXw0Kk/eTU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705975516; c=relaxed/simple; bh=IQosZORJoZf1zMrVkVUeGUA3fBgPJ1CVpRlnMmCmA58=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TiRNWYTDU7NSUKKHhLOrmD/BQLgtnc2HbKdA2i0t3XYBFLy2jEWJCBTErTr4RV/sc2YkETOMEtxNmzDynTuUqXHFiHRD/8G3kGHOj1x8TfRqu+CZ620PGJsA/YngJxvWkpLaO8R+Ohe/oFvQ90YoC5YVcYwAYuHzxIAlpHrZlC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nHuAM06R; 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="nHuAM06R" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 73669C433C7; Tue, 23 Jan 2024 02:05:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705975516; bh=IQosZORJoZf1zMrVkVUeGUA3fBgPJ1CVpRlnMmCmA58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nHuAM06Rzrbk/C3fhnW1r60LuzepeeOL3Z9vbHxQuqcqGfmbIANxY5RTLPp1j4l5d gsq1Hmr8e/6Nv7hA1HpqvuCye+D8qfYmoahos258Y4o5sFcz5idcCjBZAnosMeb0BC PumTibmt1vcAGaN0yAkvGYQn8FTBPOpGo5ioLlXk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lee Jones , Kunwu Chan , Sasha Levin Subject: [PATCH 6.6 443/583] mfd: tps6594: Add null pointer check to tps6594_device_init() Date: Mon, 22 Jan 2024 15:58:14 -0800 Message-ID: <20240122235825.531372873@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235812.238724226@linuxfoundation.org> References: <20240122235812.238724226@linuxfoundation.org> User-Agent: quilt/0.67 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 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kunwu Chan [ Upstream commit 825906f2ebe83977d747d8bce61675dddd72485d ] devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: 325bec7157b3 ("mfd: tps6594: Add driver for TI TPS6594 PMIC") Suggested-by: Lee Jones Signed-off-by: Kunwu Chan Link: https://lore.kernel.org/r/20231208033320.49345-1-chentao@kylinos.cn Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/mfd/tps6594-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mfd/tps6594-core.c b/drivers/mfd/tps6594-core.c index 0fb9c5cf213a..783ee59901e8 100644 --- a/drivers/mfd/tps6594-core.c +++ b/drivers/mfd/tps6594-core.c @@ -433,6 +433,9 @@ int tps6594_device_init(struct tps6594 *tps, bool enable_crc) tps6594_irq_chip.name = devm_kasprintf(dev, GFP_KERNEL, "%s-%ld-0x%02x", dev->driver->name, tps->chip_id, tps->reg); + if (!tps6594_irq_chip.name) + return -ENOMEM; + ret = devm_regmap_add_irq_chip(dev, tps->regmap, tps->irq, IRQF_SHARED | IRQF_ONESHOT, 0, &tps6594_irq_chip, &tps->irq_data); if (ret) -- 2.43.0