Re: [PATCH v4 14/16] block: sed-opal: pass steps via argument rather than via opal_dev

From: Christoph Hellwig
Date: Mon Feb 04 2019 - 09:57:43 EST


On Fri, Feb 01, 2019 at 09:50:21PM +0100, David Kozub wrote:
> The steps argument is only read by the next function, so it can
> be passed directly as an argument rather than via opal_dev.
>
> Normally, the steps is an array on the stack, so the pointer stops
> being valid then the function that set opal_dev.steps returns.
> If opal_dev.steps was not set to NULL before return it would become
> a dangling pointer. When the steps are passed as argument this
> becomes easier to see and more difficult to misuse.
>
> Signed-off-by: David Kozub <zub@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Scott Bauer <sbauer@xxxxxxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>