[PATCH] mmc: initialize an err variable

[Tom Rini]

On Fri, Dec 04, 2020 at 06:36:00AM +0900, Jaehoon Chung wrote:

> Initialize an err variable to 0.
> 
> Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>

Reported-by: Coverity (CID: 313548)
Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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