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-rw-r--r--net/bluetooth/hci_core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index f5b21cb..278a3ac 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -164,6 +164,9 @@ static inline int hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *
{
int ret;
+ if (!test_bit(HCI_UP, &hdev->flags))
+ return -ENETDOWN;
+
/* Serialize all requests */
hci_req_lock(hdev);
ret = __hci_request(hdev, req, opt, timeout);
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