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-rw-r--r--crypto/async_tx/async_tx.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/crypto/async_tx/async_tx.c b/crypto/async_tx/async_tx.c
index 8cfac182165d..43fe4cbe71e6 100644
--- a/crypto/async_tx/async_tx.c
+++ b/crypto/async_tx/async_tx.c
@@ -198,8 +198,6 @@ dma_channel_add_remove(struct dma_client *client,
/* add the channel to the generic management list */
master_ref = kmalloc(sizeof(*master_ref), GFP_KERNEL);
if (master_ref) {
- /* keep a reference until async_tx is unloaded */
- dma_chan_get(chan);
init_dma_chan_ref(master_ref, chan);
spin_lock_irqsave(&async_tx_lock, flags);
list_add_tail_rcu(&master_ref->node,
@@ -221,8 +219,6 @@ dma_channel_add_remove(struct dma_client *client,
spin_lock_irqsave(&async_tx_lock, flags);
list_for_each_entry(ref, &async_tx_master_list, node)
if (ref->chan == chan) {
- /* permit backing devices to go away */
- dma_chan_put(ref->chan);
list_del_rcu(&ref->node);
call_rcu(&ref->rcu, free_dma_chan_ref);
found = 1;