[SeaBIOS] [PATCH v2] config: Add function to check if fw_cfg exists

[Kevin O'Connor]

On Wed, Mar 15, 2017 at 12:09:11AM +0100, Petr Berky wrote:
> From b06589c683a7defb4853a3b810bd7e6a12abe2d6 Mon Sep 17 00:00:00 2001
> From: Petr Berky <petr.berky at email.cz>
> Date: Tue, 14 Mar 2017 23:32:15 +0100
> Subject: [PATCH v2] config: Add function to check if fw_cfg exists
> 
> It was found qemu_get_present_cpus_count may return impossible
> number of cpus because of not checking if fw_cfg exists before
> using it. That  may lead to undefined behavior of emulator,
> in particular Bochs that freezes.

Thanks.  The patch looks fine to me.  However, it looks like it got
whitespace corrupted.  Can you retry with "git send-email", or if
that's not applicable, try attaching the patch.

-Kevin