block: Drop NULL check in bdev_write_zeroes_sectors()

Function bdev_get_queue() must not return NULL, so drop the check in
bdev_write_zeroes_sectors().

Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: John Garry <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Reviewed-by: Nitesh Shetty <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>

Author: johnpgarry

include/linux/blkdev.h

@@ -1296,12 +1296,7 @@ bdev_max_secure_erase_sectors(struct block_device *bdev)
 
 static inline unsigned int bdev_write_zeroes_sectors(struct block_device *bdev)
 {
-	struct request_queue *q = bdev_get_queue(bdev);
-
-	if (q)
-		return q->limits.max_write_zeroes_sectors;
-
-	return 0;
+	return bdev_get_queue(bdev)->limits.max_write_zeroes_sectors;
 }
 
 static inline bool bdev_nonrot(struct block_device *bdev)