vkr: add missing sType in VkPhysicalDeviceGroupProperties

Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Ryan Neph <ryanneph@google.com>
Part-of: <https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/819>
diff --git a/src/venus/vkr_physical_device.c b/src/venus/vkr_physical_device.c
index cb0b3be..19dd9c3 100644
--- a/src/venus/vkr_physical_device.c
+++ b/src/venus/vkr_physical_device.c
@@ -366,11 +366,16 @@
    VkPhysicalDeviceGroupProperties *orig_props = args->pPhysicalDeviceGroupProperties;
    if (orig_props) {
       args->pPhysicalDeviceGroupProperties =
-         malloc(sizeof(*orig_props) * *args->pPhysicalDeviceGroupCount);
+         calloc(*args->pPhysicalDeviceGroupCount, sizeof(*orig_props));
       if (!args->pPhysicalDeviceGroupProperties) {
          args->ret = VK_ERROR_OUT_OF_HOST_MEMORY;
          return;
       }
+
+      for (uint32_t i = 0; i < *args->pPhysicalDeviceGroupCount; i++) {
+         args->pPhysicalDeviceGroupProperties[i].sType =
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_GROUP_PROPERTIES;
+      }
    }
 
    vn_replace_vkEnumeratePhysicalDeviceGroups_args_handle(args);