[spice-gtk v1 1/2] spice-widget: fix leak of boxed type cursor-shape

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From: Victor Toso <me@xxxxxxxxxxxxxx>

Detected while testing valgrind on migration.

> malloc (vg_replace_malloc.c:299)
> g_malloc (in /usr/lib/libglib-2.0.so.0.5400.3)
> spice_cursor_shape_copy (channel-cursor.c:99)
> ??? (in /usr/lib/libgobject-2.0.so.0.5400.3)
> g_object_get_valist (in /usr/lib/libgobject-2.0.so.0.5400.3)
> g_object_get (in /usr/lib/libgobject-2.0.so.0.5400.3)
> cursor_set (spice-widget.c:2653)
> g_closure_invoke (in /usr/lib/libgobject-2.0.so.0.5400.3)
> ??? (in /usr/lib/libgobject-2.0.so.0.5400.3)
> g_signal_emit_valist (in /usr/lib/libgobject-2.0.so.0.5400.3)
> g_signal_emit (in /usr/lib/libgobject-2.0.so.0.5400.3)
> ??? (in /usr/lib/libgobject-2.0.so.0.5400.3)

Signed-off-by: Victor Toso <victortoso@xxxxxxxxxx>
---
 src/spice-widget.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/spice-widget.c b/src/spice-widget.c
index 1e7add4..b60ca2b 100644
--- a/src/spice-widget.c
+++ b/src/spice-widget.c
@@ -2653,6 +2653,9 @@ static void cursor_set(SpiceCursorChannel *channel,
     g_object_get(G_OBJECT(channel), "cursor", &cursor_shape, NULL);
     if (G_UNLIKELY(cursor_shape == NULL || cursor_shape->data == NULL)) {
         g_warn_if_reached();
+        if (cursor_shape != NULL) {
+            g_boxed_free(spice_cursor_shape_get_type(), cursor_shape);
+        }
         return;
     }
 
@@ -2693,6 +2696,7 @@ static void cursor_set(SpiceCursorChannel *channel,
 
     update_mouse_pointer(display);
     cursor_invalidate(display);
+    g_boxed_free(spice_cursor_shape_get_type(), cursor_shape);
 }
 
 static void cursor_hide(SpiceCursorChannel *channel, gpointer data)
-- 
2.16.2

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