lib: Don't take a reference to the surface in get_cairo_surface()

We don't need to keep a reference to the surface, the cairo context will
keep a reference to it until we destroy it.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>

diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index 83f4343..d07af0d 100644 (file)
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -547,7 +547,7 @@ static cairo_surface_t *get_cairo_surface(int fd, struct igt_fb *fb)
                       I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
 
        igt_assert(cairo_surface_status(fb->cairo_surface) == CAIRO_STATUS_SUCCESS);
-       return cairo_surface_reference(fb->cairo_surface);
+       return fb->cairo_surface;
 }
 
 /**