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 53B9AC8E5 for ; Mon, 26 Jun 2023 18:42:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA809C433C0; Mon, 26 Jun 2023 18:42:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687804972; bh=RX4U13PXGORgj+1dBubTgN+T5G0P9lZfx2dYaTL4NBo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vllu6g18EQ9EnRbKfCIb1BXaVcU8xGsGnCSghzxyVwcgF4GQ99mkYnr9MIFs/u/k5 hAUZCH6inhxspZrL3ccFWBNyd1J2BZFmuMl/d3FR5+DgBpwjcemi3cPxAHf7m1Ort2 ksWM7FTDn82uijcZrRz99v1gfRJrxVFBgSxViFx0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiasheng Jiang , Bartosz Golaszewski , Sasha Levin Subject: [PATCH 5.15 75/96] gpio: sifive: add missing check for platform_get_irq Date: Mon, 26 Jun 2023 20:12:30 +0200 Message-ID: <20230626180750.117314432@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230626180746.943455203@linuxfoundation.org> References: <20230626180746.943455203@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jiasheng Jiang [ Upstream commit c1bcb976d8feb107ff2c12caaf12ac5e70f44d5f ] Add the missing check for platform_get_irq() and return error code if it fails. The returned error code will be dealed with in builtin_platform_driver(sifive_gpio_driver) and the driver will not be registered. Fixes: f52d6d8b43e5 ("gpio: sifive: To get gpio irq offset from device tree data") Signed-off-by: Jiasheng Jiang Signed-off-by: Bartosz Golaszewski Signed-off-by: Sasha Levin --- drivers/gpio/gpio-sifive.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c index f41123de69c59..5ffab0fc1b765 100644 --- a/drivers/gpio/gpio-sifive.c +++ b/drivers/gpio/gpio-sifive.c @@ -215,8 +215,12 @@ static int sifive_gpio_probe(struct platform_device *pdev) return -ENODEV; } - for (i = 0; i < ngpio; i++) - chip->irq_number[i] = platform_get_irq(pdev, i); + for (i = 0; i < ngpio; i++) { + ret = platform_get_irq(pdev, i); + if (ret < 0) + return ret; + chip->irq_number[i] = ret; + } ret = bgpio_init(&chip->gc, dev, 4, chip->base + SIFIVE_GPIO_INPUT_VAL, -- 2.39.2