--- linux/net/core/sock.c        2008-11-26 14:37:17.000000000 -0800
+++ linux/net/core/sock.c        2008-11-26 14:37:45.000000000 -0800
@@ -695,6 +695,8 @@
        if (len < 0)
                return -EINVAL;
 
+       v.val = 0;
+
        switch(optname) {
        case SO_DEBUG:
                v.val = sock_flag(sk, SOCK_DBG);