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fw_cfg: add API to find FW cfg object

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Remove some code duplication by adding a
function to look up the fw cfg file.
This way, we don't need to duplicate same strings everywhere.
Use by both fw cfg and pvpanic device.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-05-30 16:07:58 +03:00
parent 45936c8b79
commit 600c60b76d
3 changed files with 15 additions and 4 deletions
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2
hw/misc/pvpanic.c
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@ -96,7 +96,7 @@ static int pvpanic_isa_initfn(ISADevice *dev)
isa_register_ioport(dev, &s->io, s->ioport);
if (!port_configured) {
fw_cfg = object_resolve_path("/machine/fw_cfg", NULL);
fw_cfg = fw_cfg_find();
if (fw_cfg) {
fw_cfg_add_file(fw_cfg, "etc/pvpanic-port",
g_memdup(&s->ioport, sizeof(s->ioport)),