On 2020/07/21 19:55, Maxim Levitsky wrote:
> Signed-off-by: Maxim Levitsky <mlevi...@redhat.com>
> ---
>  drivers/memstick/core/mspro_block.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/memstick/core/mspro_block.c 
> b/drivers/memstick/core/mspro_block.c
> index cd6b8d4f23350..86c9eb0aef512 100644
> --- a/drivers/memstick/core/mspro_block.c
> +++ b/drivers/memstick/core/mspro_block.c
> @@ -1199,6 +1199,12 @@ static int mspro_block_init_disk(struct memstick_dev 
> *card)
>  
>       msb->page_size = be16_to_cpu(sys_info->unit_size);
>  
> +     if (!(blk_is_valid_logical_block_size(msb->page_size))) {
> +             dev_warn(&card->dev,
> +                      "unsupported block size %d", msb->page_size);
> +             return -EINVAL;
> +     }
> +
>       mutex_lock(&mspro_block_disk_lock);
>       disk_id = idr_alloc(&mspro_block_disk_idr, card, 0, 256, GFP_KERNEL);
>       mutex_unlock(&mspro_block_disk_lock);
> 

Looks good to me.

Reviewed-by: Damien Le Moal <damien.lem...@wdc.com>

-- 
Damien Le Moal
Western Digital Research

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