mfd: sm501, fix lock imbalance

Add omitted unlock in sm501_unit_power.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 4c7b796..0cc5eef 100644 (file)
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -367,7 +367,8 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to)
                break;
 
        default:
-               return -1;
+               gate = -1;
+               goto already;
        }
 
        writel(mode, sm->regs + SM501_POWER_MODE_CONTROL);