V4L/DVB (10173): Missing v4l2_prio_close in radio_release
The radio_release function of the BTTV driver is missing a call to v4l2_prio_close. As a result, after the radio device has been opened at least once (e.g., by HAL during bootup), v4l2_priority will never drop below V4L2_PRIORITY_INTERACTIVE again. With the following patch against 2.6.28, applications that run with V4L2_PRIORITY_BACKGROUND are able to open devices again. Previous Linux versions are affected as well. Signed-off-by: Udo Steinberg <udo@hypervisor.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -3472,6 +3472,7 @@ static int radio_release(struct file *file)
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struct bttv *btv = fh->btv;
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struct rds_command cmd;
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v4l2_prio_close(&btv->prio,&fh->prio);
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file->private_data = NULL;
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kfree(fh);
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