(x_delete_display): Don't free or derefence NULL pointers.

1 files changed, 10 insertions, 6 deletions

diff --git a/src/xterm.c b/src/xterm.c
index dfa5f4f4413..0b16a37a62c 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -10772,12 +10772,16 @@ x_delete_display (dpyinfo)
         xfree (dpyinfo->font_table[i].name);
       }
 
-  if (dpyinfo->font_table->font_encoder)
-    xfree (dpyinfo->font_table->font_encoder);
-
-  xfree (dpyinfo->font_table);
-  xfree (dpyinfo->x_id_name);
-  xfree (dpyinfo->color_cells);
+  if (dpyinfo->font_table)
+    {
+      if (dpyinfo->font_table->font_encoder)
+        xfree (dpyinfo->font_table->font_encoder);
+      xfree (dpyinfo->font_table);
+    }
+  if (dpyinfo->x_id_name)
+    xfree (dpyinfo->x_id_name);
+  if (dpyinfo->color_cells)
+    xfree (dpyinfo->color_cells);
   xfree (dpyinfo);
 }