Explicitly set AHCIState::ports before calling ahci_realize().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240213081201.78951-8-philmd@linaro.org>
---
 hw/ide/ahci_internal.h | 2 +-
 hw/ide/ahci.c          | 9 +++++----
 hw/ide/ich.c           | 3 ++-
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/hw/ide/ahci_internal.h b/hw/ide/ahci_internal.h
index 4dc2805d21..4e13329bb2 100644
--- a/hw/ide/ahci_internal.h
+++ b/hw/ide/ahci_internal.h
@@ -377,7 +377,7 @@ typedef struct SDBFIS {
     uint32_t payload;
 } QEMU_PACKED SDBFIS;
 
-void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports);
+void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as);
 void ahci_init(AHCIState *s, DeviceState *qdev);
 void ahci_uninit(AHCIState *s);
 
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 2c3306dae4..33f7e83687 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1614,14 +1614,14 @@ void ahci_init(AHCIState *s, DeviceState *qdev)
                           "ahci-idp", 32);
 }
 
-void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports)
+void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as)
 {
     qemu_irq *irqs;
     int i;
 
     s->as = as;
-    s->ports = ports;
-    s->dev = g_new0(AHCIDevice, ports);
+    assert(s->ports > 0);
+    s->dev = g_new0(AHCIDevice, s->ports);
     ahci_reg_init(s);
     irqs = qemu_allocate_irqs(ahci_irq_set, s, s->ports);
     for (i = 0; i < s->ports; i++) {
@@ -1862,7 +1862,8 @@ static void sysbus_ahci_realize(DeviceState *dev, Error **errp)
 {
     SysbusAHCIState *s = SYSBUS_AHCI(dev);
 
-    ahci_realize(&s->ahci, dev, &address_space_memory, s->num_ports);
+    s->ahci.ports = s->num_ports;
+    ahci_realize(&s->ahci, dev, &address_space_memory);
 }
 
 static Property sysbus_ahci_properties[] = {
diff --git a/hw/ide/ich.c b/hw/ide/ich.c
index d190012a95..122fc7e0ab 100644
--- a/hw/ide/ich.c
+++ b/hw/ide/ich.c
@@ -113,7 +113,8 @@ static void pci_ich9_ahci_realize(PCIDevice *dev, Error **errp)
     d = ICH9_AHCI(dev);
     int ret;
 
-    ahci_realize(&d->ahci, DEVICE(dev), pci_get_address_space(dev), 6);
+    d->ahci.ports = 6;
+    ahci_realize(&d->ahci, DEVICE(dev), pci_get_address_space(dev));
 
     pci_config_set_prog_interface(dev->config, AHCI_PROGMODE_MAJOR_REV_1);
 
-- 
2.41.0