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Bluetooth: Add option for disabling legacy ioctl interfaces

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The legacy ioctl interfaces are only useful for BR/EDR operation and
since Linux 3.4 no longer needed anyway. This options allows disabling
them alltogether and use only management interfaces for setup and
control.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2017-08-21 01:29:08 -07:00 committed by Johan Hedberg
parent 96a1c173ea
commit dbbccdc4ce
2 changed files with 16 additions and 0 deletions
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10
net/bluetooth/Kconfig
View File

@ -126,4 +126,14 @@ config BT_DEBUGFS
Provide extensive information about internal Bluetooth states
in debugfs.
config BT_LEGACY_IOCTL
bool "Enable legacy ioctl interfaces"
depends on BT && BT_BREDR
default y
help
Enable support for legacy ioctl interfaces. This is only needed
for old and deprecated applications using direct ioctl calls for
controller management. Since Linux 3.4 all configuration and
setup is done via mgmt interface and this is no longer needed.
source "drivers/bluetooth/Kconfig"

6
net/bluetooth/hci_sock.c
View File

@ -878,6 +878,7 @@ static int hci_sock_release(struct socket *sock)
return 0;
}
#ifdef CONFIG_BT_LEGACY_IOCTL
static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
{
bdaddr_t bdaddr;
@ -1049,6 +1050,7 @@ static int hci_sock_ioctl(struct socket *sock, unsigned int cmd,
release_sock(sk);
return err;
}
#endif
static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
int addr_len)
@ -1969,7 +1971,11 @@ static const struct proto_ops hci_sock_ops = {
.getname = hci_sock_getname,
.sendmsg = hci_sock_sendmsg,
.recvmsg = hci_sock_recvmsg,
#ifdef CONFIG_BT_LEGACY_IOCTL
.ioctl = hci_sock_ioctl,
#else
.ioctl = sock_no_ioctl,
#endif
.poll = datagram_poll,
.listen = sock_no_listen,
.shutdown = sock_no_shutdown,