From: Tom Rini <trini@kernel.crashing.org>

When the 826x enet driver was made to call register_netdev/free_netdev,
no one declared 'err' in the function.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>