diff options
| author | Johan Hovold <[email protected]> | 2013-03-19 09:21:09 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2013-03-21 15:59:02 -0700 |
| commit | d7971051e4df825e0bc11b995e87bfe86355b8e5 (patch) | |
| tree | 2c7bd97b79751007da209f4e32b108c4afddb47c | |
| parent | 5492bf3d5655b4954164f69c02955a7fca267611 (diff) | |
USB: serial: fix interface refcounting
Make sure the interface is not released before our serial device.
Note that drivers are still not allowed to access the interface in
any way that may interfere with another driver that may have gotten
bound to the same interface after disconnect returns.
Cc: stable <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index a19ed74d770d..2e70efa08b77 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -151,6 +151,7 @@ static void destroy_serial(struct kref *kref) } } + usb_put_intf(serial->interface); usb_put_dev(serial->dev); kfree(serial); } @@ -620,7 +621,7 @@ static struct usb_serial *create_serial(struct usb_device *dev, } serial->dev = usb_get_dev(dev); serial->type = driver; - serial->interface = interface; + serial->interface = usb_get_intf(interface); kref_init(&serial->kref); mutex_init(&serial->disc_mutex); serial->minor = SERIAL_TTY_NO_MINOR; |