media: lirc: improve locking

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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>

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Sean Young 2017-11-04 08:30:45 -04:00 • committed by Mauro Carvalho Chehab

parent 7e45d660e4

commit 4957133fe3

1 changed files with 137 additions and 102 deletions

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237

drivers/media/rc/lirc_dev.c

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