[PATCH v3] net: ethernet: arc: fix error handling in emac_rockchip_probe

[David Miller]

From: Branislav Radocaj <branislav at radocaj.org>
Date: Tue, 12 Dec 2017 00:13:38 +0100

> If clk_set_rate() fails, we should disable clk before return.
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Changes since v2 [1]:
> * Merged with latest code changes
> 
> Changes since v1:
> Update made thanks to David's review, much appreciated David.
> * Improved inconsistent failure handling of clock rate setting
> * For completeness of usecase, added arc_emac_probe error handling
> 
> Signed-off-by: Branislav Radocaj <branislav at radocaj.org>

Applied.