zram: fix typos in comments

- The double `range` is duplicated in comment, remove one.
 - change `syfs` to `sysfs`

Link: https://lkml.kernel.org/r/20221223040331.4194-1-jhs2.lee@samsung.comSigned-off-by: JeongHyeon Lee <jhs2.lee@samsung.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

drivers/block/zram/zram_drv.c

@@ -190,7 +190,7 @@ static inline bool valid_io_request(struct zram *zram,
 
 	end = start + (size >> SECTOR_SHIFT);
 	bound = zram->disksize >> SECTOR_SHIFT;
-	/* out of range range */
+	/* out of range */
 	if (unlikely(start >= bound || end > bound || start > end))
 		return false;
 
@@ -2385,7 +2385,7 @@ static int zram_add(void)
 	zram->disk->private_data = zram;
 	snprintf(zram->disk->disk_name, 16, "zram%d", device_id);
 
-	/* Actual capacity set using syfs (/sys/block/zram<id>/disksize */
+	/* Actual capacity set using sysfs (/sys/block/zram<id>/disksize */
 	set_capacity(zram->disk, 0);
 	/* zram devices sort of resembles non-rotational disks */
 	blk_queue_flag_set(QUEUE_FLAG_NONROT, zram->disk->queue);