On Tue, 18 Oct 2011, Antonio Ospite wrote: > > > im getting the following null pointer dereference from time to time when > > > releasing a usb camera. > > > > > > maybe this trace is of assistance...please reply to my mail since im not > > > subscribed. > > > > > > > I suspect this is happening in v4l2_device_unregister_subdev(). Adding > > Guennadi, Mauro, and linux-media. > > > > > BUG: unable to handle kernel NULL pointer dereference at 0000006c > > > IP: [<f90be6c2>] v4l2_device_release+0xa2/0xf0 [videodev] > > Hi, > > I sent a fix for a similar trace last week: > http://patchwork.linuxtv.org/patch/8124/ > > Tomas, can you test it fixes the problem for you too? > Tomas reported that the same change from Frederik Deweerdt fixed the issue, so you can add his tested-by from https://lkml.org/lkml/2011/10/18/298. Guennadi or Mauro, how is this going to Linus? It sounds like 3.1 material since we've received at least a couple of reports of this in the past week. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
