On Thu, Jan 28, 2021 at 02:12:40PM +0100, Nicolas Saenz Julienne wrote:
> Don't start/stop an stdio device that might have been already freed.
>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulie...@suse.de>
> Fixes: 70c2525c0d3c ("IOMUX: Stop dropped consoles")
...
> + /*
> + * TODO: This is a workaround to avoid accessing freed memory:
> + * console_stop() might be called on an stdio_dev that has already been
> + * de-registered, due to the fact that stdio_deregister_dev()
> + * doesn't update the global console_devices array.
> + */
I see now. I think I have experienced this issue from time to time. I will look
at it. Tom, Simon, please hold on applying these for a while.
> + if (!stdio_valid(sdev))
> + return false;
--
With Best Regards,
Andy Shevchenko
