Fix: Don't allow cancelation of command id 0

diff --git a/gatchat/gatchat.c b/gatchat/gatchat.c
index 04995cc..1dffd89 100644 (file)
--- a/gatchat/gatchat.c
+++ b/gatchat/gatchat.c
@@ -1192,6 +1192,10 @@ gboolean g_at_chat_cancel(GAtChat *chat, guint id)
        if (chat == NULL || chat->command_queue == NULL)
                return FALSE;
 
+       /* We use id 0 for wakeup commands */
+       if (id == 0)
+               return FALSE;
+
        l = g_queue_find_custom(chat->command_queue, GUINT_TO_POINTER(id),
                                at_command_compare_by_id);