diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 76b3b6032b..a89f900c4c 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -134,7 +134,6 @@ static void pc_q35_init(MachineState *machine)
     GSIState *gsi_state;
     ISABus *isa_bus;
     int i;
-    PCIDevice *ahci;
     ram_addr_t lowmem;
     DriveInfo *hd[MAX_SATA_PORTS];
     MachineClass *mc = MACHINE_GET_CLASS(machine);
@@ -292,16 +291,18 @@ static void pc_q35_init(MachineState *machine)
                          0xff0104);
 
     if (pcms->sata_enabled) {
+        PCIDevice *pdev;
+
         /* ahci and SATA device, for q35 1 ahci controller is built-in */
-        ahci = pci_create_simple_multifunction(host_bus,
+        pdev = pci_create_simple_multifunction(host_bus,
                                                PCI_DEVFN(ICH9_SATA1_DEV,
                                                          ICH9_SATA1_FUNC),
                                                "ich9-ahci");
-        idebus[0] = qdev_get_child_bus(DEVICE(ahci), "ide.0");
-        idebus[1] = qdev_get_child_bus(DEVICE(ahci), "ide.1");
-        g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
-        ide_drive_get(hd, ahci_get_num_ports(ahci));
-        ahci_ide_create_devs(ahci, hd);
+        idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0");
+        idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1");
+        g_assert(MAX_SATA_PORTS == ahci_get_num_ports(pdev));
+        ide_drive_get(hd, ahci_get_num_ports(pdev));
+        ahci_ide_create_devs(pdev, hd);
     } else {
         idebus[0] = idebus[1] = NULL;
     }
diff --git a/hw/mips/boston.c b/hw/mips/boston.c
index cbcefdd693..0ec0b98066 100644
--- a/hw/mips/boston.c
+++ b/hw/mips/boston.c
@@ -677,7 +677,7 @@ static void boston_mach_init(MachineState *machine)
     MemoryRegion *flash, *ddr_low_alias, *lcd, *platreg;
     MemoryRegion *sys_mem = get_system_memory();
     XilinxPCIEHost *pcie2;
-    PCIDevice *ahci;
+    PCIDevice *pdev;
     DriveInfo *hd[6];
     Chardev *chr;
     int fw_size, fit_err;
@@ -769,11 +769,11 @@ static void boston_mach_init(MachineState *machine)
     qemu_chr_fe_set_handlers(&s->lcd_display, NULL, NULL,
                              boston_lcd_event, NULL, s, NULL, true);
 
-    ahci = pci_create_simple_multifunction(&PCI_BRIDGE(&pcie2->root)->sec_bus,
+    pdev = pci_create_simple_multifunction(&PCI_BRIDGE(&pcie2->root)->sec_bus,
                                            PCI_DEVFN(0, 0), TYPE_ICH9_AHCI);
-    g_assert(ARRAY_SIZE(hd) == ahci_get_num_ports(ahci));
-    ide_drive_get(hd, ahci_get_num_ports(ahci));
-    ahci_ide_create_devs(ahci, hd);
+    g_assert(ARRAY_SIZE(hd) == ahci_get_num_ports(pdev));
+    ide_drive_get(hd, ahci_get_num_ports(pdev));
+    ahci_ide_create_devs(pdev, hd);
 
     if (machine->firmware) {
         fw_size = load_image_targphys(machine->firmware,