vfio/pci: Use g_autofree for vfio_region_info pointer

Pointer opregion is freed after vfio_pci_igd_opregion_init().
Use 'g_autofree' to avoid the g_free() calls.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index c3323912dd773e80ad2dbbefc5d833e8a33cd147..8379d2284a20bed0c0bd24e46bbb39e321dc9767 100644 (file)
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3143,7 +3143,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
 
     if (!vdev->igd_opregion &&
         vdev->features & VFIO_FEATURE_ENABLE_IGD_OPREGION) {
-        struct vfio_region_info *opregion;
+        g_autofree struct vfio_region_info *opregion = NULL;
 
         if (vdev->pdev.qdev.hotplugged) {
             error_setg(errp,
@@ -3162,7 +3162,6 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
         }
 
         ret = vfio_pci_igd_opregion_init(vdev, opregion, errp);
-        g_free(opregion);
         if (ret) {
             goto out_teardown;
         }