FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git chrdev-warn
commit dad018190f07fbb61b6a086cf28b6d6d4000c838 ("chrdev: allocate dynamic chardevs in all unused holes")

We found the following new message in kernel log after your commit.

[    9.786354] isdn: Could not register control devices


Thanks,
Ying Huang