[PATCH v3 net-next 03/11] net: dsa: microchip: Initialize mutex before use

[Tristram.Ha]

From: Tristram Ha <tristram...@microchip.com>

Initialize mutex before use.

Signed-off-by: Tristram Ha <tristram...@microchip.com>
---
 drivers/net/dsa/microchip/ksz_common.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/microchip/ksz_common.c 
b/drivers/net/dsa/microchip/ksz_common.c
index 8c5853e..88e8d2a 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -1118,7 +1118,6 @@ static int ksz_switch_init(struct ksz_device *dev)
 {
        int i;
 
-       mutex_init(&dev->reg_mutex);
        mutex_init(&dev->stats_mutex);
        mutex_init(&dev->alu_mutex);
        mutex_init(&dev->vlan_mutex);
@@ -1207,6 +1206,9 @@ int ksz_switch_register(struct ksz_device *dev)
        if (dev->pdata)
                dev->chip_id = dev->pdata->chip_id;
 
+       /* mutex is used in next function call. */
+       mutex_init(&dev->reg_mutex);
+
        if (ksz_switch_detect(dev))
                return -EINVAL;
 
-- 
1.9.1