diff options
| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2014-09-16 01:36:15 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-09-23 23:13:43 +0400 |
| commit | e87cb470896e9089d2185e1dcbe8d17b0e3361d3 (patch) | |
| tree | 553b910852e0316c7efee708b1202c0ac850bfcd /drivers/media/rc | |
| parent | 3bacc10cd4a85bc70bc0b6c001d3bf995c7fe04c (diff) | |
| download | linux-e87cb470896e9089d2185e1dcbe8d17b0e3361d3.tar.xz | |
[media] imon: fix usbdev leaks
imon_probe() does three usb_get_dev(), but there is no any
usb_put_dev() in the driver.
The patch adds usb_put_dev() to error paths, to imon_disconnect()
and to imon_probe() as far as usbdev is not saved anywhere.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/rc')
| -rw-r--r-- | drivers/media/rc/imon.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index 74daceec2f74..b8837dd39bb2 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -2283,6 +2283,7 @@ idev_setup_failed: usb_kill_urb(ictx->rx_urb_intf0); urb_submit_failed: find_endpoint_failed: + usb_put_dev(ictx->usbdev_intf0); mutex_unlock(&ictx->lock); usb_free_urb(tx_urb); tx_urb_alloc_failed: @@ -2355,6 +2356,7 @@ urb_submit_failed: input_unregister_device(ictx->touch); touch_setup_failed: find_endpoint_failed: + usb_put_dev(ictx->usbdev_intf1); mutex_unlock(&ictx->lock); usb_free_urb(rx_urb); rx_urb_alloc_failed: @@ -2468,11 +2470,13 @@ static int imon_probe(struct usb_interface *interface, usbdev->bus->busnum, usbdev->devnum); mutex_unlock(&driver_lock); + usb_put_dev(usbdev); return 0; fail: mutex_unlock(&driver_lock); + usb_put_dev(usbdev); dev_err(dev, "unable to register, err %d\n", ret); return ret; @@ -2512,6 +2516,7 @@ static void imon_disconnect(struct usb_interface *interface) if (ifnum == 0) { ictx->dev_present_intf0 = false; usb_kill_urb(ictx->rx_urb_intf0); + usb_put_dev(ictx->usbdev_intf0); input_unregister_device(ictx->idev); rc_unregister_device(ictx->rdev); if (ictx->display_supported) { @@ -2523,6 +2528,7 @@ static void imon_disconnect(struct usb_interface *interface) } else { ictx->dev_present_intf1 = false; usb_kill_urb(ictx->rx_urb_intf1); + usb_put_dev(ictx->usbdev_intf1); if (ictx->display_type == IMON_DISPLAY_TYPE_VGA) { input_unregister_device(ictx->touch); del_timer_sync(&ictx->ttimer); |