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-rw-r--r--block/blk-throttle.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index f3f495e..ecba5fc 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -324,12 +324,8 @@ static struct throtl_grp * throtl_get_tg(struct throtl_data *td)
/*
* Need to allocate a group. Allocation of group also needs allocation
* of per cpu stats which in-turn takes a mutex() and can block. Hence
- * we need to drop rcu lock and queue_lock before we call alloc
- *
- * Take the request queue reference to make sure queue does not
- * go away once we return from allocation.
+ * we need to drop rcu lock and queue_lock before we call alloc.
*/
- blk_get_queue(q);
rcu_read_unlock();
spin_unlock_irq(q->queue_lock);
@@ -339,13 +335,11 @@ static struct throtl_grp * throtl_get_tg(struct throtl_data *td)
* dead
*/
if (unlikely(test_bit(QUEUE_FLAG_DEAD, &q->queue_flags))) {
- blk_put_queue(q);
if (tg)
kfree(tg);
return ERR_PTR(-ENODEV);
}
- blk_put_queue(q);
/* Group allocated and queue is still alive. take the lock */
spin_lock_irq(q->queue_lock);
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