tree 8fbcdc5175fd304b73fda25e81ad52d49fe30e7c
parent 7e45d660e4d487aa2cbeb003bd4338433feba30a
author Sean Young <sean@mess.org> 1509798645 -0400
committer Mauro Carvalho Chehab <mchehab@s-opensource.com> 1513265726 -0500

media: lirc: improve locking

Once rc_unregister_device() has been called, no driver function
should be called.

This prevents some nasty race conditions with an ioctl calls
driver functions when the driver specific data has been freed.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>