Re: [PATCH] [SCSI] sd: Do not return success from init_sd if DIF mempool allocation fails

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On Thu, 2013-02-14 at 11:36 -0500, Ewan D. Milne wrote:
> From: "Ewan D. Milne" <emilne@xxxxxxxxxx>
> 
> init_sd() was returning 0 if sd_cdb_cache or sd_cdb_pool could
> not be allocated.  Return -ENOMEM instead, since the sd_disk_class
> and the blkdevs will be unregistered if this happens.
> 
> Signed-off-by: Ewan D. Milne <emilne@xxxxxxxxxx>
> ---
>  drivers/scsi/sd.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> index 8551f3e..4943a4f 100644
> --- a/drivers/scsi/sd.c
> +++ b/drivers/scsi/sd.c
> @@ -2931,12 +2931,14 @@ static int __init init_sd(void)
>  					 0, 0, NULL);
>  	if (!sd_cdb_cache) {
>  		printk(KERN_ERR "sd: can't init extended cdb cache\n");
> +		err = -ENOMEM;
>  		goto err_out_class;
>  	}
>  
>  	sd_cdb_pool = mempool_create_slab_pool(SD_MEMPOOL_SIZE, sd_cdb_cache);
>  	if (!sd_cdb_pool) {
>  		printk(KERN_ERR "sd: can't init extended cdb pool\n");
> +		err = -ENOMEM;
>  		goto err_out_cache;
>  	}
>  

Would someone mind looking at this patch and ACKing it if you
feel it is appropriate?

Thanks.

-Ewan D. Milne <emilne@xxxxxxxxxx>


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