commit
b91113282bf44df46aba374a0b8f88a75bfd4b3f upstream.
If the mdio probe function fails in emac_open, the interrupt we just requested
isn't freed. If emac_open is called again, for example because we try to set up
the interface again, the kernel will oops because the interrupt wasn't properly
released.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ret = emac_mdio_probe(dev);
if (ret < 0) {
+ free_irq(dev->irq, dev);
netdev_err(dev, "cannot probe MDIO bus\n");
return ret;
}