Eo callbacks: Fix a possible issue of corrupted callback list.

This happens when we delete more than one callback at the beginning
of the list (i.e 2 or more) in one go.

diff --git a/src/lib/eo/eo_base_class.c b/src/lib/eo/eo_base_class.c
index 0419296..f8eb1ff 100644 (file)
--- a/src/lib/eo/eo_base_class.c
+++ b/src/lib/eo/eo_base_class.c
@@ -433,8 +433,6 @@ _eo_callback_remove(Private_Data *pd, Eo_Callback_Description *cb)
    Eo_Callback_Description *itr, *pitr = NULL;
 
    itr = pd->callbacks;
-   if (pd->callbacks == cb)
-      pd->callbacks = cb->next;
 
    for ( ; itr; )
      {
@@ -447,6 +445,10 @@ _eo_callback_remove(Private_Data *pd, Eo_Callback_Description *cb)
                {
                   pitr->next = titr->next;
                }
+             else
+               {
+                  pd->callbacks = titr->next;
+               }
              free(titr);
           }
         else