From: kbuild test robot <fengguang.wu@intel.com>
Date: Sat, 22 Oct 2016 19:12:42 +0000 (+0800)
Subject: staging:iio:ad7606: fix ptr_ret.cocci warnings
X-Git-Tag: v5.15~12305^2~508^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dbdef9ba693a5ac7d92368cef7d436b3093e9f4e;p=platform%2Fkernel%2Flinux-starfive.git

staging:iio:ad7606: fix ptr_ret.cocci warnings

drivers/staging/iio/adc/ad7606.c:357:1-3: WARNING: PTR_ERR_OR_ZERO can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

CC: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/drivers/staging/iio/adc/ad7606.c b/drivers/staging/iio/adc/ad7606.c
index b0ae04a..4531908 100644
--- a/drivers/staging/iio/adc/ad7606.c
+++ b/drivers/staging/iio/adc/ad7606.c
@@ -354,10 +354,7 @@ static int ad7606_request_gpios(struct ad7606_state *st)
 
 	st->gpio_os = devm_gpiod_get_array_optional(dev, "oversampling-ratio",
 			GPIOD_OUT_LOW);
-	if (IS_ERR(st->gpio_os))
-		return PTR_ERR(st->gpio_os);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(st->gpio_os);
 }
 
 /**