Hi Fuang, On Thu, Jan 21, 2016, Fugang Duan wrote: > Function hci_mgmt_cmd() may pass hdev with null pointer to hci_mgmt_handler->func() > like below code: > err = handler->func(sk, hdev, cp, len); > > Add hdev check to avoid passing null pointer. > > Signed-off-by: Fugang Duan <B38611@xxxxxxxxxxxxx> > --- > net/bluetooth/hci_sock.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c > index 1298d72..7fdfc80 100644 > --- a/net/bluetooth/hci_sock.c > +++ b/net/bluetooth/hci_sock.c > @@ -1186,6 +1186,8 @@ static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk, > > if (hdev && chan->hdev_init) > chan->hdev_init(sk, hdev); > + else if (!hdev) > + goto done; Why are you resending this? Did you see my response to your earlier submission? Johan -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html