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Re: [Qemu-devel] [PATCH 05/12] raven: Mark use of hw_error() in realize(
From: |
Thomas Huth |
Subject: |
Re: [Qemu-devel] [PATCH 05/12] raven: Mark use of hw_error() in realize() FIXME |
Date: |
Mon, 14 Dec 2015 11:09:44 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 10/12/15 11:29, Markus Armbruster wrote:
> Device realize() methods aren't supposed to call hw_error(), they
> should set an error and fail cleanly. Blindly doing that would be
> easy enough, but then realize() would fail without undoing its side
> effects. Just mark it FIXME for now.
>
> Cc: "Andreas Färber" <address@hidden>
> Cc: address@hidden
> Signed-off-by: Markus Armbruster <address@hidden>
> ---
> hw/pci-host/prep.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c
> index da88cb3..f434596 100644
> --- a/hw/pci-host/prep.c
> +++ b/hw/pci-host/prep.c
> @@ -326,6 +326,7 @@ static void raven_realize(PCIDevice *d, Error **errp)
> }
> }
> if (bios_size < 0 || bios_size > BIOS_SIZE) {
> + /* FIXME should error_setg() */
> hw_error("qemu: could not load bios image '%s'\n", s->bios_name);
> }
> g_free(filename);
> @@ -355,8 +356,9 @@ static void raven_class_init(ObjectClass *klass, void
> *data)
> dc->desc = "PReP Host Bridge - Motorola Raven";
> dc->vmsd = &vmstate_raven;
> /*
> - * PCI-facing part of the host bridge, not usable without the
> - * host-facing part, which can't be device_add'ed, yet.
> + * Reason: PCI-facing part of the host bridge, not usable without
> + * the host-facing part, which can't be device_add'ed, yet.
> + * Reason: realize() method uses hw_error().
> */
> dc->cannot_instantiate_with_device_add_yet = true;
> }
Reviewed-by: Thomas Huth <address@hidden>