| Message ID | 7cd54b39b168355dbe013a4b32e11fa4262dac1b.1509309834.git.sean@mess.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 9e73899b5994..9a8fc86b0835 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -885,7 +885,7 @@ void rc_close(struct rc_dev *rdev) if (rdev) { mutex_lock(&rdev->lock); - if (!--rdev->users && rdev->close != NULL) + if (!--rdev->users && rdev->close && rdev->registered) rdev->close(rdev); mutex_unlock(&rdev->lock);
If a lirc chardev is held open after a device is unplugged, rc_close() will be called after rc_unregister_device(). The driver is not expecting any calls at this point, and the iguanair driver causes an oops in this scenario. Signed-off-by: Sean Young <sean@mess.org> --- drivers/media/rc/rc-main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)