Re: [dm-devel] [PATCH] dm-mpath: Track invalid map_context

[Alasdair G Kergon <agk redhat com>]

On Mon, Mar 19, 2012 at 04:15:28PM +0100, Hannes Reinecke wrote:
> -	if (r < 0 || r == DM_MAPIO_REQUEUE)
> +	if (r < 0 || r == DM_MAPIO_REQUEUE) {
>  		mempool_free(mpio, m->mpio_pool);
> +		map_context->ptr = NULL;
> +	}

What about the other places that do mempool_free() ?
Should they clear it too?

Is it better to swap the statement order - clear it *before*
freeing i

Alasdair