From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
We should return a ENETDOWN status response if the adapter is powered
off (i.e. the HCI_UP flag isn't set).
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/mgmt.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 6f9e3cd..16ccc7e 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1619,6 +1619,11 @@ static int start_discovery(struct sock *sk, u16 index)
hci_dev_lock_bh(hdev);
+ if (!test_bit(HCI_UP, &hdev->flags)) {
+ err = cmd_status(sk, index, MGMT_OP_START_DISCOVERY, ENETDOWN);
+ goto failed;
+ }
+
cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, index, NULL, 0);
if (!cmd) {
err = -ENOMEM;
--
1.7.7.1
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