[PATCH] mtg: docg3: use free_bch() instead of kfree()

[Robert Jarzmik]

Wei Yongjun <weiyj.lk at gmail.com> writes:

> From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
>
> Use free_bch() instead of kfree() to free init_bch()
> allocated data.
>
> Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
Acked-by: Robert Jarzmik <robert.jarzmik at free.fr>