[PATCH 12/45] block: remove a superflous check in blkpg_do_ioctl

Jan Kara jack at suse.cz
Wed Nov 25 08:39:20 EST 2020


On Tue 24-11-20 14:27:18, Christoph Hellwig wrote:
> sector_t is now always a u64, so this check is not needed.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Looks good. You can add:

Reviewed-by: Jan Kara <jack at suse.cz>

								Honza

> ---
>  block/ioctl.c | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/block/ioctl.c b/block/ioctl.c
> index 6b785181344fe1..0c09bb7a6ff35f 100644
> --- a/block/ioctl.c
> +++ b/block/ioctl.c
> @@ -35,15 +35,6 @@ static int blkpg_do_ioctl(struct block_device *bdev,
>  	start = p.start >> SECTOR_SHIFT;
>  	length = p.length >> SECTOR_SHIFT;
>  
> -	/* check for fit in a hd_struct */
> -	if (sizeof(sector_t) < sizeof(long long)) {
> -		long pstart = start, plength = length;
> -
> -		if (pstart != start || plength != length || pstart < 0 ||
> -		    plength < 0 || p.pno > 65535)
> -			return -EINVAL;
> -	}
> -
>  	switch (op) {
>  	case BLKPG_ADD_PARTITION:
>  		/* check if partition is aligned to blocksize */
> -- 
> 2.29.2
> 
-- 
Jan Kara <jack at suse.com>
SUSE Labs, CR



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