[1/3] em28xx-video: do not unregister the v4l2 dummy clock before v4l2_device_unregister() has been called
Commit Message
Otherwiese the core refuses to unregister the clock and the following warning
appears in the system log:
"WARNING: ... at drivers/media/v4l2-core/v4l2-clk.c:231 v4l2_clk_unregister+0x8a/0x90 [videodev]()
v4l2_clk_unregister(): Refusing to unregister ref-counted 11-0030:mclk clock!"
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
---
drivers/media/usb/em28xx/em28xx-video.c | 6 +++---
1 Datei geändert, 3 Zeilen hinzugefügt(+), 3 Zeilen entfernt(-)
@@ -1918,14 +1918,14 @@ static int em28xx_v4l2_fini(struct em28xx *dev)
video_unregister_device(dev->vdev);
}
+ v4l2_ctrl_handler_free(&dev->ctrl_handler);
+ v4l2_device_unregister(&dev->v4l2_dev);
+
if (dev->clk) {
v4l2_clk_unregister_fixed(dev->clk);
dev->clk = NULL;
}
- v4l2_ctrl_handler_free(&dev->ctrl_handler);
- v4l2_device_unregister(&dev->v4l2_dev);
-
if (dev->users)
em28xx_warn("Device is open ! Memory deallocation is deferred on last close.\n");
mutex_unlock(&dev->lock);