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path: root/drivers/bluetooth/hci_intel.c
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Diffstat (limited to 'drivers/bluetooth/hci_intel.c')
-rw-r--r--drivers/bluetooth/hci_intel.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index d915e7eee233..fa5099986f1b 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -307,6 +307,9 @@ static int intel_set_power(struct hci_uart *hu, bool powered)
struct list_head *p;
int err = -ENODEV;
+ if (!hu->tty->dev)
+ return err;
+
mutex_lock(&intel_device_list_lock);
list_for_each(p, &intel_device_list) {
@@ -379,6 +382,9 @@ static void intel_busy_work(struct work_struct *work)
struct intel_data *intel = container_of(work, struct intel_data,
busy_work);
+ if (!intel->hu->tty->dev)
+ return;
+
/* Link is busy, delay the suspend */
mutex_lock(&intel_device_list_lock);
list_for_each(p, &intel_device_list) {
@@ -899,6 +905,8 @@ done:
list_for_each(p, &intel_device_list) {
struct intel_device *dev = list_entry(p, struct intel_device,
list);
+ if (!hu->tty->dev)
+ break;
if (hu->tty->dev->parent == dev->pdev->dev.parent) {
if (device_may_wakeup(&dev->pdev->dev)) {
set_bit(STATE_LPM_ENABLED, &intel->flags);
@@ -1066,6 +1074,9 @@ static int intel_enqueue(struct hci_uart *hu, struct sk_buff *skb)
BT_DBG("hu %p skb %p", hu, skb);
+ if (!hu->tty->dev)
+ goto out_enqueue;
+
/* Be sure our controller is resumed and potential LPM transaction
* completed before enqueuing any packet.
*/
@@ -1082,7 +1093,7 @@ static int intel_enqueue(struct hci_uart *hu, struct sk_buff *skb)
}
}
mutex_unlock(&intel_device_list_lock);
-
+out_enqueue:
skb_queue_tail(&intel->txq, skb);
return 0;