linux-kernel - [PATCH] iio: core: fix ptr

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Date:	Sat, 24 Oct 2015 00:38:37 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Daniel Baluta <daniel.baluta@...el.com>
Cc:	kbuild-all@...org, jic23@...nel.org, jlbec@...lplan.org,
	linux-iio@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	lars@...afoo.de, hch@....de, knaack.h@....de,
	linux-kernel@...r.kernel.org, octavian.purdila@...el.com,
	pebolle@...cali.nl, patrick.porlan@...el.com,
	adriana.reus@...el.com, constantin.musca@...el.com,
	marten@...uitiveaerial.com, daniel.baluta@...el.com,
	cristina.opriceana@...il.com, pmeerw@...erw.net,
	viro@...iv.linux.org.uk, akpm@...ux-foundation.org
Subject: [PATCH] iio: core: fix ptr_ret.cocci warnings

drivers/iio/industrialio-sw-trigger.c:169:1-3: 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: Daniel Baluta <daniel.baluta@...el.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

 industrialio-sw-trigger.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/iio/industrialio-sw-trigger.c
+++ b/drivers/iio/industrialio-sw-trigger.c
@@ -166,9 +166,7 @@ static int __init iio_sw_trigger_init(vo
 		configfs_register_default_group(&iio_configfs_subsys.su_group,
 						"triggers",
 						&iio_triggers_group_type);
-	if (IS_ERR(iio_triggers_group))
-		return PTR_ERR(iio_triggers_group);
-	return 0;
+	return PTR_ERR_OR_ZERO(iio_triggers_group);
 }
 module_init(iio_sw_trigger_init);
 
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