Test if variables are not NULL before free in function hook_print_exec

1 files changed, 6 insertions, 3 deletions

diff --git a/src/core/wee-hook.c b/src/core/wee-hook.c
index 6bce94883..67478bd6d 100644
--- a/src/core/wee-hook.c
+++ b/src/core/wee-hook.c
@@ -1804,7 +1804,8 @@ hook_print_exec (struct t_gui_buffer *buffer, struct t_gui_line *line)
     message_no_color = gui_color_decode (line->data->message, NULL);
     if (!message_no_color)
     {
-        free (prefix_no_color);
+        if (prefix_no_color)
+            free (prefix_no_color);
         return;
     }
     
@@ -1876,8 +1877,10 @@ hook_print_exec (struct t_gui_buffer *buffer, struct t_gui_line *line)
         ptr_hook = next_hook;
     }
     
-    free (prefix_no_color);
-    free (message_no_color);
+    if (prefix_no_color)
+        free (prefix_no_color);
+    if (message_no_color)
+        free (message_no_color);
     
     hook_exec_end ();
 }