[tip:x86/platform] x86/intel/quark: Fix ptr_ret.cocci warnings

[tip-bot for Fengguang Wu]

Commit-ID:  32d39169d7f56849b8c6c8c51aca7b73194d05f1
Gitweb:     http://git.kernel.org/tip/32d39169d7f56849b8c6c8c51aca7b73194d05f1
Author:     Fengguang Wu <fengguang.wu@xxxxxxxxx>
AuthorDate: Thu, 19 Feb 2015 16:14:32 +0800
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 19 Feb 2015 10:00:54 +0100

x86/intel/quark: Fix ptr_ret.cocci warnings

arch/x86/platform/intel-quark/imr.c:280:1-3: 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

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Cc: Andy Shevchenko <andy.schevchenko@xxxxxxxxx>
Cc: Ong, Boon Leong <boon.leong.ong@xxxxxxxxx>
Cc: Bryan O'Donoghue <pure.logic@xxxxxxxxxxxxxxxxx>
Cc: Darren Hart <dvhart@xxxxxxxxxxxxxxx>
Cc: kbuild-all@xxxxxx
Link: 20150219081432.GA21983@waimea">http://lkml.kernel.org/r/20150219081432.GA21983@waimea
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/platform/intel-quark/imr.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c
index 16e4df1..60c01eb 100644
--- a/arch/x86/platform/intel-quark/imr.c
+++ b/arch/x86/platform/intel-quark/imr.c
@@ -277,10 +277,7 @@ static int imr_debugfs_register(struct imr_device *idev)
 {
 	idev->file = debugfs_create_file("imr_state", S_IFREG | S_IRUGO, NULL,
 					 idev, &imr_state_ops);
-	if (IS_ERR(idev->file))
-		return PTR_ERR(idev->file);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(idev->file);
 }
 
 /**
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