linux-kernel - [PATCH 5.4 141/203] MIPS: Loongson: Fix return value of loongson_hwmon

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Message-Id: <20200116231757.315916675@linuxfoundation.org>
Date:   Fri, 17 Jan 2020 00:17:38 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Paul Burton <paulburton@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>,
        Huacai Chen <chenhc@...ote.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-mips@...r.kernel.org
Subject: [PATCH 5.4 141/203] MIPS: Loongson: Fix return value of loongson_hwmon_init

From: Tiezhu Yang <yangtiezhu@...ngson.cn>

commit dece3c2a320b0a6d891da6ff774ab763969b6860 upstream.

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@...ngson.cn>
Signed-off-by: Paul Burton <paulburton@...nel.org>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: James Hogan <jhogan@...nel.org>
Cc: Huacai Chen <chenhc@...ote.com>
Cc: Jiaxun Yang <jiaxun.yang@...goat.com>
Cc: linux-mips@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/platform/mips/cpu_hwmon.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/platform/mips/cpu_hwmon.c
+++ b/drivers/platform/mips/cpu_hwmon.c
@@ -161,7 +161,7 @@ static int __init loongson_hwmon_init(vo
 
 	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;
 	}