msix: Switch msix_uninit to return void

It can't fail.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/msix.c

@@ -328,10 +328,10 @@ static void msix_free_irq_entries(PCIDevice *dev)
 }
 
 /* Clean up resources for the device. */
-int msix_uninit(PCIDevice *dev, MemoryRegion *table_bar, MemoryRegion *pba_bar)
+void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar, MemoryRegion *pba_bar)
 {
     if (!msix_present(dev)) {
-        return 0;
+        return;
     }
     pci_del_capability(dev, PCI_CAP_ID_MSIX, MSIX_CAP_LENGTH);
     dev->msix_cap = 0;
@@ -348,7 +348,7 @@ int msix_uninit(PCIDevice *dev, MemoryRegion *table_bar, MemoryRegion *pba_bar)
     g_free(dev->msix_entry_used);
     dev->msix_entry_used = NULL;
     dev->cap_present &= ~QEMU_PCI_CAP_MSIX;
-    return 0;
+    return;
 }
 
 void msix_uninit_exclusive_bar(PCIDevice *dev)

hw/msix.h

@@ -13,8 +13,8 @@ int msix_init_exclusive_bar(PCIDevice *dev, unsigned short nentries,
 
 void msix_write_config(PCIDevice *dev, uint32_t address, uint32_t val, int len);
 
-int msix_uninit(PCIDevice *dev, MemoryRegion *table_bar,
-                MemoryRegion *pba_bar);
+void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar,
+                 MemoryRegion *pba_bar);
 void msix_uninit_exclusive_bar(PCIDevice *dev);
 
 unsigned int msix_nr_vectors_allocated(const PCIDevice *dev);