From: Maxime Ripard <redacted>
Date: Mon, 23 Jun 2014 22:49:40 +0200

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 <redacted>
Cc: <redacted> # 3.11+

Applied, thank you.