From c0b59416c05fbf7a5fefee4b4757f7281e34ed02 Mon Sep 17 00:00:00 2001 From: Bernhard Beschow Date: Mon, 3 Apr 2023 09:41:19 +0200 Subject: hw/pci/pci.c: Don't leak PCIBus::irq_count[] in pci_bus_irqs() When calling pci_bus_irqs() multiple times on the same object without calling pci_bus_irqs_cleanup() in between PCIBus::irq_count[] is currently leaked. Let's fix this because Xen will do just that in a few commits, and because calling pci_bus_irqs_cleanup() in between seems fragile and cumbersome. Note that pci_bus_irqs_cleanup() now has to NULL irq_count such that pci_bus_irqs() doesn't do a double free. Signed-off-by: Bernhard Beschow Reviewed-by: Michael S. Tsirkin Tested-by: Chuck Zmudzinski Message-Id: <20230403074124.3925-3-shentey@gmail.com> Signed-off-by: Anthony PERARD --- hw/pci/pci.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'hw') diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 1cc7c89..9b7b4d7 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -560,6 +560,7 @@ void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, bus->set_irq = set_irq; bus->irq_opaque = irq_opaque; bus->nirq = nirq; + g_free(bus->irq_count); bus->irq_count = g_malloc0(nirq * sizeof(bus->irq_count[0])); } @@ -575,6 +576,7 @@ void pci_bus_irqs_cleanup(PCIBus *bus) bus->irq_opaque = NULL; bus->nirq = 0; g_free(bus->irq_count); + bus->irq_count = NULL; } PCIBus *pci_register_root_bus(DeviceState *parent, const char *name, -- cgit v1.1