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-rw-r--r--drivers/bluetooth/hci_ldisc.c5
-rw-r--r--drivers/bluetooth/hci_uart.h5
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 0f4203b..75c1508 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -479,6 +479,11 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file,
return hu->proto->id;
return -EUNATCH;
+ case HCIUARTGETDEVICE:
+ if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
+ return hu->hdev->id;
+ return -EUNATCH;
+
default:
err = n_tty_ioctl(tty, file, cmd, arg);
break;
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index b250e67..1097ce7 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -28,8 +28,9 @@
#endif
/* Ioctls */
-#define HCIUARTSETPROTO _IOW('U', 200, int)
-#define HCIUARTGETPROTO _IOR('U', 201, int)
+#define HCIUARTSETPROTO _IOW('U', 200, int)
+#define HCIUARTGETPROTO _IOR('U', 201, int)
+#define HCIUARTGETDEVICE _IOR('U', 202, int)
/* UART protocols */
#define HCI_UART_MAX_PROTO 4
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