qemu/qdev: type safety in reset handler

Add type safety to qdev reset handlers, by declaring them as
DeviceState * rather than void *.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/hw/tcx.c b/hw/tcx.c
index 3816c53..b177cc9 100644
--- a/hw/tcx.c
+++ b/hw/tcx.c
@@ -411,9 +411,9 @@ static const VMStateDescription vmstate_tcx = {
     }
 };
 
-static void tcx_reset(void *opaque)
+static void tcx_reset(DeviceState *d)
 {
-    TCXState *s = opaque;
+    TCXState *s = container_of(d, TCXState, busdev.qdev);
 
     /* Initialize palette */
     memset(s->r, 0, 256);
@@ -560,7 +560,7 @@ static int tcx_init1(SysBusDevice *dev)
                                      tcx_screen_dump, NULL, s);
     }
 
-    tcx_reset(s);
+    tcx_reset(&s->busdev.qdev);
     qemu_console_resize(s->ds, s->width, s->height);
     return 0;
 }