diff --git a/drivers/sensors/hc_sr04.c b/drivers/sensors/hc_sr04.c
index e07fea6bdb..3ee8766952 100644
--- a/drivers/sensors/hc_sr04.c
+++ b/drivers/sensors/hc_sr04.c
@@ -220,7 +220,7 @@ static int hcsr04_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
 {
   FAR struct inode *inode = filep->f_inode;
   FAR struct hcsr04_dev_s *priv = inode->i_private;
-  int ret;
+  int ret = OK;
 
   /* Get exclusive access */
 
diff --git a/wireless/bluetooth/bt_hcicore.c b/wireless/bluetooth/bt_hcicore.c
index 6e29366a87..98301ee1c1 100644
--- a/wireless/bluetooth/bt_hcicore.c
+++ b/wireless/bluetooth/bt_hcicore.c
@@ -1759,7 +1759,7 @@ int bt_hci_cmd_send_sync(uint16_t opcode, FAR struct bt_buf_s *buf,
            * released while we are waiting.
            */
 
-          nxsem_timedwait_uninterruptible(&sync_sem, &abstime);
+          ret = nxsem_timedwait_uninterruptible(&sync_sem, &abstime);
         }
 
       sched_unlock();