From 060f131e9c438837f9792e456fae424e621fb881 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 28 Jun 2022 19:18:46 +0200 Subject: block: remove a superflous queue kobject reference kobject_add already adds a reference to the parent that is dropped on deletion, so don't bother grabbing another one. Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche Link: https://lore.kernel.org/r/20220628171850.1313069-3-hch@lst.de Signed-off-by: Jens Axboe --- block/blk-sysfs.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 5f3f73115988..f9373da591b8 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -812,14 +812,13 @@ int blk_register_queue(struct gendisk *disk) mutex_lock(&q->sysfs_dir_lock); - ret = kobject_add(&q->kobj, kobject_get(&dev->kobj), "%s", "queue"); + ret = kobject_add(&q->kobj, &dev->kobj, "%s", "queue"); if (ret < 0) goto unlock; ret = sysfs_create_group(&q->kobj, &queue_attr_group); if (ret) { kobject_del(&q->kobj); - kobject_put(&dev->kobj); goto unlock; } @@ -883,7 +882,6 @@ put_dev: mutex_unlock(&q->sysfs_lock); mutex_unlock(&q->sysfs_dir_lock); kobject_del(&q->kobj); - kobject_put(&dev->kobj); return ret; } @@ -941,6 +939,4 @@ void blk_unregister_queue(struct gendisk *disk) q->sched_debugfs_dir = NULL; q->rqos_debugfs_dir = NULL; mutex_unlock(&q->debugfs_mutex); - - kobject_put(&disk_to_dev(disk)->kobj); } -- cgit v1.2.3-59-g8ed1b