diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-cards.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-cards.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index fa35a308ad67..3b332d527ccb 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -2876,6 +2876,8 @@ void em28xx_release_resources(struct em28xx *dev) { /*FIXME: I2C IR should be disconnected */ + mutex_lock(&dev->lock); + if (dev->def_i2c_bus) em28xx_i2c_unregister(dev, 1); em28xx_i2c_unregister(dev, 0); @@ -2884,6 +2886,8 @@ void em28xx_release_resources(struct em28xx *dev) /* Mark device as unused */ clear_bit(dev->devno, &em28xx_devused); + + mutex_unlock(&dev->lock); }; EXPORT_SYMBOL_GPL(em28xx_release_resources); @@ -3386,13 +3390,7 @@ static void em28xx_usb_disconnect(struct usb_interface *interface) em28xx_close_extension(dev); - /* NOTE: must be called BEFORE the resources are released */ - - mutex_lock(&dev->lock); - if (!dev->users) - em28xx_release_resources(dev); - - mutex_unlock(&dev->lock); + em28xx_release_resources(dev); if (!dev->users) { kfree(dev->alt_max_pkt_size_isoc); |