X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/28b7f1f95510fe2efa30fc2fb4b4d27826da931e..1e129b9677a4073030b6533743c3a84056275548:/src/xbt/swag.c

diff --git a/src/xbt/swag.c b/src/xbt/swag.c
index 42ae4ef19b..dc09977550 100644
--- a/src/xbt/swag.c
+++ b/src/xbt/swag.c
@@ -59,6 +59,10 @@ void *xbt_swag_extract(void *obj, xbt_swag_t swag)
 
   if (!obj)
     return NULL;
+  if(!xbt_swag_belongs(obj, swag)) /* Trying to remove an object that
+				      was not in this swag */
+      return NULL;
+
   if (swag->head == swag->tail) {	/* special case */
     if (swag->head != obj)	/* Trying to remove an object that was not in this swag */
       return NULL;