On Mon, Nov 07, 2022 at 03:22:35PM +0106, John Ogness wrote: > Calling tty_find_polling_driver() can lead to uart_set_options() being > called (via the poll_init() callback of tty_operations) to configure the > uart. But uart_set_options() can also be called by register_console() > (via the setup() callback of console). > > Take the console_list_lock to synchronize against register_console() and > also use it for console list traversal. This also ensures the console list > cannot change until the polling console has been chosen. > > Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx> Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> Daniel.
