From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 4 Nov 2019 13:33:50 +0000 (+0800)
Subject: MIPS: Loongson: Fix return value of loongson_hwmon_init
X-Git-Tag: v4.9.212~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=00a9d1a860cf8d6232773104262a69f9dee1386a;p=platform%2Fkernel%2Flinux-amlogic.git

MIPS: Loongson: Fix return value of loongson_hwmon_init

[ Upstream commit dece3c2a320b0a6d891da6ff774ab763969b6860 ]

When call function hwmon_device_register failed, use the actual
return value instead of always -ENOMEM.

Fixes: 64f09aa967e1 ("MIPS: Loongson-3: Add CPU Hwmon platform driver")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c
index 4300a55..d02214a 100644
--- a/drivers/platform/mips/cpu_hwmon.c
+++ b/drivers/platform/mips/cpu_hwmon.c
@@ -155,7 +155,7 @@ static int __init loongson_hwmon_init(void)
 
 	cpu_hwmon_dev = hwmon_device_register(NULL);
 	if (IS_ERR(cpu_hwmon_dev)) {
-		ret = -ENOMEM;
+		ret = PTR_ERR(cpu_hwmon_dev);
 		pr_err("hwmon_device_register fail!\n");
 		goto fail_hwmon_device_register;
 	}