net: ethernet: arc: fix error handling in emac_rockchip_probe

If clk_set_rate() fails, we should disable clk before return.
Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Branislav Radocaj <branislav@radocaj.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Branislav Radocaj 2017-12-07 00:07:38 +01:00 • committed by David S. Miller
commit e46772a694