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-rw-r--r--include/hw/ide/internal.h2
-rw-r--r--include/hw/isa/isa.h13
2 files changed, 9 insertions, 6 deletions
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h
index 2d09162eeb..79172217cc 100644
--- a/include/hw/ide/internal.h
+++ b/include/hw/ide/internal.h
@@ -624,7 +624,7 @@ int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind,
                    int chs_trans, Error **errp);
 void ide_init2(IDEBus *bus, qemu_irq irq);
 void ide_exit(IDEState *s);
-void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
+int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
 void ide_register_restart_cb(IDEBus *bus);
 
 void ide_exec_cmd(IDEBus *bus, uint32_t val);
diff --git a/include/hw/isa/isa.h b/include/hw/isa/isa.h
index ddaae89a85..d4417b34b6 100644
--- a/include/hw/isa/isa.h
+++ b/include/hw/isa/isa.h
@@ -132,12 +132,15 @@ void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start);
  * @portio: the ports, sorted by offset.
  * @opaque: passed into the portio callbacks.
  * @name: passed into memory_region_init_io.
+ *
+ * Returns: 0 on success, negative error code otherwise (e.g. if the
+ *          ISA bus is not available)
  */
-void isa_register_portio_list(ISADevice *dev,
-                              PortioList *piolist,
-                              uint16_t start,
-                              const MemoryRegionPortio *portio,
-                              void *opaque, const char *name);
+int isa_register_portio_list(ISADevice *dev,
+                             PortioList *piolist,
+                             uint16_t start,
+                             const MemoryRegionPortio *portio,
+                             void *opaque, const char *name);
 
 static inline ISABus *isa_bus_from_device(ISADevice *d)
 {