net: ethernet: ixgbe: check the return value of ixgbe_mii_bus_init()

This function may fail. Check its return value and propagate the error
code.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bartosz Golaszewski 2020-06-29 14:03:37 +02:00 • committed by David S. Miller
commit 09ef193fef