net/phy/mdio_bus.c: fix a check-after-use

This patch fixes a check-after-use spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 6e9f619..963630c 100644 (file)
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -49,13 +49,13 @@ int mdiobus_register(struct mii_bus *bus)
        int i;
        int err = 0;
 
-       mutex_init(&bus->mdio_lock);
-
        if (NULL == bus || NULL == bus->name ||
                        NULL == bus->read ||
                        NULL == bus->write)
                return -EINVAL;
 
+       mutex_init(&bus->mdio_lock);
+
        if (bus->reset)
                bus->reset(bus);