[media] lirc: use refcounting for lirc devices

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If a lirc device is unplugged, the struct rc_dev is freed even though
userspace can still have a file descriptor open on the lirc chardev. The
rc_dev structure can be used in a subsequent, or even currently executing
ioctl, read or write.

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

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Sean Young 2017-01-30 13:49:58 -02:00 • committed by Mauro Carvalho Chehab

parent 069f3b10ae

commit 74c839b2f5

1 changed files with 51 additions and 69 deletions

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122

drivers/media/rc/lirc_dev.c

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