diff options
| -rw-r--r-- | drivers/media/rc/imon.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index caa3e3ac41cb..6ed96465137a 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -1658,7 +1658,7 @@ static void usb_rx_callback_intf0(struct urb *urb) return; ictx = (struct imon_context *)urb->context; - if (!ictx) + if (!ictx || !ictx->dev_present_intf0) return; switch (urb->status) { @@ -1690,7 +1690,7 @@ static void usb_rx_callback_intf1(struct urb *urb) return; ictx = (struct imon_context *)urb->context; - if (!ictx) + if (!ictx || !ictx->dev_present_intf1) return; switch (urb->status) { @@ -2118,7 +2118,6 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf) ictx->dev = dev; ictx->usbdev_intf0 = usb_get_dev(interface_to_usbdev(intf)); - ictx->dev_present_intf0 = true; ictx->rx_urb_intf0 = rx_urb; ictx->tx_urb = tx_urb; ictx->rf_device = false; @@ -2157,6 +2156,8 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf) goto rdev_setup_failed; } + ictx->dev_present_intf0 = true; + mutex_unlock(&ictx->lock); return ictx; @@ -2200,7 +2201,6 @@ static struct imon_context *imon_init_intf1(struct usb_interface *intf, } ictx->usbdev_intf1 = usb_get_dev(interface_to_usbdev(intf)); - ictx->dev_present_intf1 = true; ictx->rx_urb_intf1 = rx_urb; ret = -ENODEV; @@ -2229,6 +2229,8 @@ static struct imon_context *imon_init_intf1(struct usb_interface *intf, goto urb_submit_failed; } + ictx->dev_present_intf1 = true; + mutex_unlock(&ictx->lock); return ictx; |