Re: [PATCH 3/3] SCSI-debug: Fix exception handling for an alignment/granularity mismatch in scsi_debug_init()

[Douglas Gilbert]

On 15-02-06 12:26 PM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 6 Feb 2015 17:57:32 +0100
>
> The scsi_debug_init() function returned directly if the data items "alignment"
> and "granularity" did not fit together.
>
> Let us improve the affected exception handling by replacing the return
> statement by a goto statement so that previously allocated resources will also
> be appropriately released.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Acked-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx>

> ---
>   drivers/scsi/scsi_debug.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
> index 756b7be..2c78663 100644
> --- a/drivers/scsi/scsi_debug.c
> +++ b/drivers/scsi/scsi_debug.c
> @@ -4909,7 +4909,8 @@ static int __init scsi_debug_init(void)
>   		    scsi_debug_unmap_alignment) {
>   			pr_err("%s: ERR: unmap_granularity <= unmap_alignment\n",
>   			       __func__);
> -			return -EINVAL;
> +			ret = -EINVAL;
> +			goto free_dif;
>   		}
>
>   		map_size = lba_to_map_index(sdebug_store_sectors - 1) + 1;

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