[PATCH] MIPS: Loongson: Fix return value of loongson_hwmon_init

[Tiezhu Yang]

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

diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c
index 1833b51..0d27cb7 100644
--- a/drivers/platform/mips/cpu_hwmon.c
+++ b/drivers/platform/mips/cpu_hwmon.c
@@ -176,7 +176,7 @@ 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;
 	}
-- 
2.1.0