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 F0B7A8C1D for ; Mon, 26 Jun 2023 18:32:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71697C433C0; Mon, 26 Jun 2023 18:32:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687804362; bh=p2c/fsZVR1q17O9Mbz59vsNHZuabw0cBqcIoKlMHk7E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L7oGtYrkHYALmiRYP5+2vCHGR/gYGTU2IFvoC7jEKC1VCBHVPY3H58Ze6KozNdDzq lnkj+pu/t6H1CEoIpHOEXio0wmbPi92W9XN2QFKtKGwe2l1XBDSINJrPM3J9R/b56n fPN8/1QIB0PKFXOe277R1Xq7/CumGjvPg282hWtg= 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 6.1 130/170] gpio: sifive: add missing check for platform_get_irq Date: Mon, 26 Jun 2023 20:11:39 +0200 Message-ID: <20230626180806.405691454@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230626180800.476539630@linuxfoundation.org> References: <20230626180800.476539630@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 bc5660f61c570..0f1e1226ebbe8 100644 --- a/drivers/gpio/gpio-sifive.c +++ b/drivers/gpio/gpio-sifive.c @@ -221,8 +221,12 @@ 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