linux-kernel - [PATCH] powerpc/fsl_pci: Fix ptr

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Date:   Mon, 27 Nov 2017 22:37:33 +0100
From:   Vasyl Gomonovych <gomonovych@...il.com>
To:     benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
        tyreld@...ux.vnet.ibm.com, robh@...nel.org,
        linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, gomonovych@...il.com
Subject: [PATCH] powerpc/fsl_pci: Fix ptr_ret.cocci warnings

arch/powerpc/sysdev/fsl_pci.c:1307:1-3: 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: Vasyl Gomonovych <gomonovych@...il.com>
---
 arch/powerpc/sysdev/fsl_pci.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 22d98057f773..e5afc3a9b533 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -1304,10 +1304,8 @@ static int add_err_dev(struct platform_device *pdev)
 						   pdev->resource,
 						   pdev->num_resources,
 						   &pd, sizeof(pd));
-	if (IS_ERR(errdev))
-		return PTR_ERR(errdev);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(errdev);
 }
 
 static int fsl_pci_probe(struct platform_device *pdev)
-- 
1.9.1