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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Fabien Dessenne <fabien.dessenne@st.com>,
	Fabrice Gasnier <fabrice.gasnier@st.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Sasha Levin <sashal@kernel.org>,
	linux-iio@vger.kernel.org
Subject: [PATCH AUTOSEL 5.2 003/171] iio: adc: stm32-dfsdm: manage the get_irq error case
Date: Thu, 18 Jul 2019 23:53:54 -0400	[thread overview]
Message-ID: <20190719035643.14300-3-sashal@kernel.org> (raw)
In-Reply-To: <20190719035643.14300-1-sashal@kernel.org>

From: Fabien Dessenne <fabien.dessenne@st.com>

[ Upstream commit 3e53ef91f826957dec013c47707ffc1bb42b42d7 ]

During probe, check the "get_irq" error value.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iio/adc/stm32-dfsdm-adc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 19adc2b23472..588907cc3b6b 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -1456,6 +1456,12 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
 	 * So IRQ associated to filter instance 0 is dedicated to the Filter 0.
 	 */
 	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		if (irq != -EPROBE_DEFER)
+			dev_err(dev, "Failed to get IRQ: %d\n", irq);
+		return irq;
+	}
+
 	ret = devm_request_irq(dev, irq, stm32_dfsdm_irq,
 			       0, pdev->name, adc);
 	if (ret < 0) {
-- 
2.20.1


       reply	other threads:[~2019-07-19  4:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190719035643.14300-1-sashal@kernel.org>
2019-07-19  3:53 ` Sasha Levin [this message]
2019-07-19  3:53 ` [PATCH AUTOSEL 5.2 004/171] iio: adc: stm32-dfsdm: missing error case during probe Sasha Levin
2019-07-19  3:54 ` [PATCH AUTOSEL 5.2 064/171] iio:core: Fix bug in length of event info_mask and catch unhandled bits set in masks Sasha Levin
2019-07-19  3:54 ` [PATCH AUTOSEL 5.2 065/171] iio: adxl372: fix iio_triggered_buffer_{pre,post}enable positions Sasha Levin
2019-07-19  3:55 ` [PATCH AUTOSEL 5.2 084/171] iio: st_accel: " Sasha Levin
2019-07-19  3:55 ` [PATCH AUTOSEL 5.2 090/171] iio: iio-utils: Fix possible incorrect mask calculation Sasha Levin

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