[mutter/wip/carlosg/coverity-fixes: 12/13] cogl: Plug leak in error path

[Marge Bot <marge-bot src gnome org>]

commit c869b92d5d2f8a7a67fafcb01130685c759da70b
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Oct 25 00:05:41 2021 +0200

    cogl: Plug leak in error path
    
    If the renderer fails to connect, we were leaking the renderer.
    
    CID: #1505882
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2061>

 cogl/cogl/cogl-context.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/cogl/cogl/cogl-context.c b/cogl/cogl/cogl-context.c
index 7ff9f050bb..25fdfa7fac 100644
--- a/cogl/cogl/cogl-context.c
+++ b/cogl/cogl/cogl-context.c
@@ -146,6 +146,7 @@ cogl_context_new (CoglDisplay *display,
       CoglRenderer *renderer = cogl_renderer_new ();
       if (!cogl_renderer_connect (renderer, error))
         {
+          cogl_object_unref (renderer);
           g_free (context);
           return NULL;
         }