sd: simplify the disable case in sd_config_discard

Fall through to the main call to blk_queue_max_discard_sectors given that
max_blocks has been initialized to zero above instead of duplicating the
call.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Reviewed-by: Damien Le Moal <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>

Author: Christoph Hellwig

drivers/scsi/sd.c

@@ -844,8 +844,7 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
 
 	case SD_LBP_FULL:
 	case SD_LBP_DISABLE:
-		blk_queue_max_discard_sectors(q, 0);
-		return;
+		break;
 
 	case SD_LBP_UNMAP:
 		max_blocks = min_not_zero(sdkp->max_unmap_blocks,