Reading the controller configuration information is a valid management
command when the controller is unconfigured. Allow this command, but
return invalid index on all other commands.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
net/bluetooth/mgmt.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c7e5d4651021..766411e11ac7 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -5455,12 +5455,18 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
}
if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
- test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) ||
test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
err = cmd_status(sk, index, opcode,
MGMT_STATUS_INVALID_INDEX);
goto done;
}
+
+ if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
+ opcode != MGMT_OP_READ_CONFIG_INFO) {
+ err = cmd_status(sk, index, opcode,
+ MGMT_STATUS_INVALID_INDEX);
+ goto done;
+ }
}
if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
--
1.9.3
--
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