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hw/qxl: exit on failure to register qxl interface 

This prevents a segfault later on when the device reset handler
tries to access a NULL ssd.worker since interface_attach_worker has
not been called.

Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Alon Levy 2012-10-03 20:13:58 +02:00 committed by Gerd Hoffmann
parent ffe01e599f
commit e25a0651f4
1 changed files with 5 additions and 1 deletions
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6
hw/qxl.c
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@ -2037,7 +2037,11 @@ static int qxl_init_common(PCIQXLDevice *qxl)
qxl->ssd.qxl.base.sif = &qxl_interface.base;
qxl->ssd.qxl.id = qxl->id;
qemu_spice_add_interface(&qxl->ssd.qxl.base);
if (qemu_spice_add_interface(&qxl->ssd.qxl.base) != 0) {
error_report("qxl interface %d.%d not supported by spice-server\n",
SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
return -1;
}
qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
init_pipe_signaling(qxl);