| Message ID | 4E503748.1090309@yahoo.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
--- linux-3.0/drivers/media/video/em28xx/em28xx-cards.c.orig 2011-08-19 00:45:48.000000000 +0100 +++ linux-3.0/drivers/media/video/em28xx/em28xx-cards.c 2011-08-20 23:28:39.000000000 +0100 @@ -2929,7 +2929,9 @@ goto fail_reg_analog_devices; } + mutex_unlock(&dev->lock); em28xx_init_extension(dev); + mutex_lock(&dev->lock); /* Save some power by putting tuner to sleep */ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0);
Here's the new patch for the deadlock problem, which releases the device mutex before calling em28xx_init_extension() and then reacquires it afterwards. The locking in dvb_init() is now left alone. Signed-off-by: Chris Rankin <rankincj@yahoo.com>