If things don't go as expected in gnome_rr_config_ensure_primary
(for example we don't find any usable output), we may end up
trying to dereference a NULL pointer. It's better to check
top_left is not NULL before using it.
---
gtk/display/gnome-rr-config.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/gtk/display/gnome-rr-config.c b/gtk/display/gnome-rr-config.c
index 5e22596..bb5cafc 100644
--- a/gtk/display/gnome-rr-config.c
+++ b/gtk/display/gnome-rr-config.c
@@ -1230,7 +1230,7 @@ gnome_rr_config_ensure_primary (GnomeRRConfig
*configuration)
if (!found) {
if (laptop != NULL) {
laptop->priv->primary = TRUE;
- } else {
+ } else if (top_left != NULL) {
top_left->priv->primary = TRUE;
}
}
--
1.7.4
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