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From: Wei Yongjun <weiyongjun1@huawei.com>
To: Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alexander Sverdlin <alexander.sverdlin@gmail.com>
Cc: Wei Yongjun <weiyongjun1@huawei.com>, <linux-iio@vger.kernel.org>
Subject: [PATCH -next] iio: ep93xx: remove redundant return value check of platform_get_resource()
Date: Wed, 17 Jan 2018 11:30:00 +0000	[thread overview]
Message-ID: <1516188600-170557-1-git-send-email-weiyongjun1@huawei.com> (raw)

Remove unneeded error handling on the result of a call
to platform_get_resource() when the value is passed to
devm_ioremap_resource().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/iio/adc/ep93xx_adc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/iio/adc/ep93xx_adc.c b/drivers/iio/adc/ep93xx_adc.c
index 81c9015..5036c392 100644
--- a/drivers/iio/adc/ep93xx_adc.c
+++ b/drivers/iio/adc/ep93xx_adc.c
@@ -167,10 +167,6 @@ static int ep93xx_adc_probe(struct platform_device *pdev)
 	priv = iio_priv(iiodev);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "Cannot obtain memory resource\n");
-		return -ENXIO;
-	}
 	priv->base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(priv->base)) {
 		dev_err(&pdev->dev, "Cannot map memory resource\n");


             reply	other threads:[~2018-01-17 11:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-17 11:30 Wei Yongjun [this message]
2018-01-20 16:43 ` [PATCH -next] iio: ep93xx: remove redundant return value check of platform_get_resource() Jonathan Cameron

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