Bluetooth: Fix missing rcu_read_unlock() in hci_bdaddr_is_paired()

When finding a matching LTK the rcu_read_unlock() function was failing
to release the RCU read lock. This patch adds the missing call to
rcu_reaD_unlock().

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index a35d8441187a..4eba9d6fc9a5 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2535,8 +2535,10 @@ bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
 
         rcu_read_lock();
         list_for_each_entry_rcu(k, &hdev->long_term_keys, list) {
-                if (k->bdaddr_type == addr_type && !bacmp(bdaddr, &k->bdaddr))
+                if (k->bdaddr_type == addr_type && !bacmp(bdaddr, &k->bdaddr)) {
+                        rcu_read_unlock();
                         return true;
+                }
         }
         rcu_read_unlock();