From: madhuparnabhowmi...@gmail.com Date: Wed, 22 Jul 2020 22:53:29 +0530 > From: Madhuparna Bhowmik <madhuparnabhowmi...@gmail.com> > > In capi_init(), after register_chrdev() the file operation callbacks > can be called. However capinc_tty_init() is called later. > Since capiminors and capinc_tty_driver are initialized in > capinc_tty_init(), their initialization can race with their usage > in various callbacks like in capi_release(). > > Therefore, call capinc_tty_init() before register_chrdev to avoid > such race conditions. > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmi...@gmail.com>
I agree with Arnd that this just exchanges one set of problems for another.
