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Diffstat (limited to 'hw')
-rw-r--r--hw/fdc.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/hw/fdc.c b/hw/fdc.c
index eb39e307d4..42b6d7d9c2 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -1860,8 +1860,12 @@ FDCtrl *fdctrl_init_isa(DriveInfo **fds)
ISADevice *dev;
dev = isa_create("isa-fdc");
- qdev_prop_set_drive(&dev->qdev, "driveA", fds[0]);
- qdev_prop_set_drive(&dev->qdev, "driveB", fds[1]);
+ if (fds[0]) {
+ qdev_prop_set_drive(&dev->qdev, "driveA", fds[0]);
+ }
+ if (fds[1]) {
+ qdev_prop_set_drive(&dev->qdev, "driveB", fds[1]);
+ }
if (qdev_init(&dev->qdev) < 0)
return NULL;
return &(DO_UPCAST(FDCtrlISABus, busdev, dev)->state);
@@ -1878,8 +1882,12 @@ FDCtrl *fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
fdctrl = &sys->state;
fdctrl->dma_chann = dma_chann; /* FIXME */
- qdev_prop_set_drive(dev, "driveA", fds[0]);
- qdev_prop_set_drive(dev, "driveB", fds[1]);
+ if (fds[0]) {
+ qdev_prop_set_drive(dev, "driveA", fds[0]);
+ }
+ if (fds[1]) {
+ qdev_prop_set_drive(dev, "driveB", fds[1]);
+ }
qdev_init_nofail(dev);
sysbus_connect_irq(&sys->busdev, 0, irq);
sysbus_mmio_map(&sys->busdev, 0, mmio_base);
@@ -1895,7 +1903,9 @@ FDCtrl *sun4m_fdctrl_init(qemu_irq irq, target_phys_addr_t io_base,
FDCtrl *fdctrl;
dev = qdev_create(NULL, "SUNW,fdtwo");
- qdev_prop_set_drive(dev, "drive", fds[0]);
+ if (fds[0]) {
+ qdev_prop_set_drive(dev, "drive", fds[0]);
+ }
qdev_init_nofail(dev);
sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
fdctrl = &sys->state;