Commit 2f39cdb7 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
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Bluetooth: Limit HCI raw socket options to actual raw sockets 



Currently the socket options of HCI sockets can be set on raw and control
sockets, but on control sockets they make no sense. So just return EINVAL
in that case.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent a6fb08df

net/bluetooth/hci_sock.c

+6 −0
Original line number Diff line number Diff line
@@ -601,6 +601,11 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, char 


	lock_sock(sk);



	if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {

		err = -EINVAL;

		goto done;

	}



	switch (optname) {

	case HCI_DATA_DIR:

		if (get_user(opt, (int __user *)optval)) {
@@ -663,6 +668,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, char 
		break;

	}



done:

	release_sock(sk);

	return err;

}