[PATCH] scsi: remove redundant initialization of variable ret

[Finn Thain]

On Fri, 18 Sep 2020, Jing Xiangfeng wrote:

> The variable ret is being initialized with '-ENOMEM' that is
> meaningless. So remove it.
> 

Acked-by: Finn Thain <fthain at telegraphics.com.au>