From 2a76f89fa58c769241cfc21f2614705591519ae3 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Tue, 25 Apr 2017 03:11:48 +0000
Subject: [PATCH] firmware: google memconsole: Fix return value check in
 platform_memconsole_init()

In case of error, the function platform_device_register_simple() returns
ERR_PTR() and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().

Fixes: d384d6f43d1e ("firmware: google memconsole: Add coreboot support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/firmware/google/memconsole-coreboot.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/google/memconsole-coreboot.c b/drivers/firmware/google/memconsole-coreboot.c
index 21210144def7..02711114dece 100644
--- a/drivers/firmware/google/memconsole-coreboot.c
+++ b/drivers/firmware/google/memconsole-coreboot.c
@@ -95,8 +95,8 @@ static int __init platform_memconsole_init(void)
 	struct platform_device *pdev;
 
 	pdev = platform_device_register_simple("memconsole", -1, NULL, 0);
-	if (pdev == NULL)
-		return -ENODEV;
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
 
 	platform_driver_register(&memconsole_driver);
 
-- 
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