[RESEND PATCH v2 6/7] block: get rid of unnecessary local variable

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Since whole elevator register is protectd by sysfs_lock, we
don't need extras 'has_elevator'. Just use q->elevator directly.

Signed-off-by: Yufen Yu <yuyufen@xxxxxxxxxx>
---
 block/blk-sysfs.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index ee2cd4d1054c..d13a70ed39bf 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -976,7 +976,6 @@ int blk_register_queue(struct gendisk *disk)
 	int ret;
 	struct device *dev = disk_to_dev(disk);
 	struct request_queue *q = disk->queue;
-	bool has_elevator = false;
 
 	if (WARN_ON(!q))
 		return -ENXIO;
@@ -1040,7 +1039,6 @@ int blk_register_queue(struct gendisk *disk)
 			kobject_put(&dev->kobj);
 			return ret;
 		}
-		has_elevator = true;
 	}
 
 	blk_queue_flag_set(QUEUE_FLAG_REGISTERED, q);
@@ -1049,7 +1047,7 @@ int blk_register_queue(struct gendisk *disk)
 
 	/* Now everything is ready and send out KOBJ_ADD uevent */
 	kobject_uevent(&q->kobj, KOBJ_ADD);
-	if (has_elevator)
+	if (q->elevator)
 		kobject_uevent(&q->elevator->kobj, KOBJ_ADD);
 	mutex_unlock(&q->sysfs_lock);
 
-- 
2.25.4




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