Index: uspace/lib/block/block.c
===================================================================
--- uspace/lib/block/block.c	(revision 4e00f8748907db19e8c6b776b1d4c98f5e411035)
+++ uspace/lib/block/block.c	(revision feeac0d8cd6e0ce736779bc5f1dc701c5cf42ba6)
@@ -93,6 +93,5 @@
 	fibril_mutex_lock(&dcl_lock);
 	
-	list_foreach(dcl, cur) {
-		devcon_t *devcon = list_get_instance(cur, devcon_t, link);
+	list_foreach(dcl, link, devcon_t, devcon) {
 		if (devcon->service_id == service_id) {
 			fibril_mutex_unlock(&dcl_lock);
@@ -124,6 +123,5 @@
 	
 	fibril_mutex_lock(&dcl_lock);
-	list_foreach(dcl, cur) {
-		devcon_t *d = list_get_instance(cur, devcon_t, link);
+	list_foreach(dcl, link, devcon_t, d) {
 		if (d->service_id == service_id) {
 			fibril_mutex_unlock(&dcl_lock);