[PATCH] media: lirc: Fix error handling in lirc_register()

When cdev_device_add() failed, calling put_device() to explicitly release dev->lirc_dev. Otherwise, it could cause the fault of the reference count.

Found by code review.

Cc: stable@vger.kernel.org Fixes: a6ddd4fecbb0 ("media: lirc: remove last remnants of lirc kapi") Signed-off-by: Ma Ke make24@iscas.ac.cn --- drivers/media/rc/lirc_dev.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index a2257dc2f25d..ed839e15fa16 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -765,6 +765,7 @@ int lirc_register(struct rc_dev *dev) return 0;

out_ida: + put_device(&dev->lirc_dev); ida_free(&lirc_ida, minor); return err; }