net/axgbe: fix double unlock

[dpdk.git] / drivers / net / axgbe / axgbe_phy_impl.c

diff --git a/drivers/net/axgbe/axgbe_phy_impl.c b/drivers/net/axgbe/axgbe_phy_impl.c
index 973177f..2267c5f 100644 (file)
--- a/drivers/net/axgbe/axgbe_phy_impl.c
+++ b/drivers/net/axgbe/axgbe_phy_impl.c
@@ -412,15 +412,15 @@ static int axgbe_phy_get_comm_ownership(struct axgbe_port *pdata)
        uint64_t timeout;
        unsigned int mutex_id;
 
-       if (phy_data->comm_owned)
-               return 0;
-
        /* The I2C and MDIO/GPIO bus is multiplexed between multiple devices,
         * the driver needs to take the software mutex and then the hardware
         * mutexes before being able to use the busses.
         */
        pthread_mutex_lock(&pdata->phy_mutex);
 
+       if (phy_data->comm_owned)
+               return 0;
+
        /* Clear the mutexes */
        XP_IOWRITE(pdata, XP_I2C_MUTEX, AXGBE_MUTEX_RELEASE);
        XP_IOWRITE(pdata, XP_MDIO_MUTEX, AXGBE_MUTEX_RELEASE);