cairo-util: load_cairo_surface returns NULL if loading the file fails.

Otherwise a non-existent file in the configuration crashes the desktop shell.

Signed-off-by: Ustun Ergenoglu <ego@ustun.fi>

diff --git a/clients/cairo-util.c b/clients/cairo-util.c
index 1f8d307..6d5794b 100644 (file)
--- a/clients/cairo-util.c
+++ b/clients/cairo-util.c
@@ -300,6 +300,10 @@ load_cairo_surface(const char *filename)
        void *data;
 
        image = load_image(filename);
+       if (image == NULL) {
+               return NULL;
+       }
+
        data = pixman_image_get_data(image);
        width = pixman_image_get_width(image);
        height = pixman_image_get_height(image);