Changeset 49432 in vbox for trunk/src/VBox

Timestamp:

Nov 8, 2013 6:44:09 PM (11 years ago)

Author:

vboxsync

Message:

NAT: prevent NAT thread from infinite loop on PowerOff if DNS server(s) not accessible.

File:

• trunk/src/VBox/Devices/Network/slirp/libalias/alias_mod.c (modified) (2 diffs)

trunk/src/VBox/Devices/Network/slirp/libalias/alias_mod.c

@@ -158 +158 @@
 #endif
 {
-    struct proto_handler *b = NULL;
+    struct proto_handler *b = NULL, *handler_chain_tail = NULL;
 
     LIBALIAS_WLOCK_ASSERT();
@@ -170 +170 @@
             return (0);
         }
+
+        /* If the conditions above do not work, we should keep the last
+         * element of the list in order to insert *p right after it. */
+        handler_chain_tail = b;
     }
     /* End of list or found right position, inserts here. */
-    if (b)
-        LIST_INSERT_AFTER(b, p, entries);
+    if (handler_chain_tail)
+        LIST_INSERT_AFTER(handler_chain_tail, p, entries);
     else
         LIST_INSERT_HEAD(&handler_chain, p, entries);