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[media] em28xx-video: do not unregister the v4l2 dummy clock before v4l2_device_unregister() has been called 

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>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
hifive-unleashed-5.1
Frank Schaefer 2014-01-17 14:45:30 -03:00 committed by Mauro Carvalho Chehab
parent 01ae3b51af
commit 103f18a27d
1 changed files with 3 additions and 3 deletions
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6
drivers/media/usb/em28xx/em28xx-video.c
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@ -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);