Author: jtl
Date: Sat Oct 15 00:29:15 2016
New Revision: 307336
URL: https://svnweb.freebsd.org/changeset/base/307336

Log:
  r307082 added the TCP_HHOOK kernel option and made some existing code only
  compile when that option is configured. In tcp_destroy(), the error
  variable is now only used in code enclosed in an '#ifdef TCP_HHOOK' block.
  This broke the build for VNET images.
  
  Enclose the error variable itself in an #ifdef block.
  
  Submitted by: Shawn Webb <shawn.webb at hardenedbsd.org>
  Reported by:  Shawn Webb <shawn.webb at hardenedbsd.org>
  PointyHat to: jtl

Modified:
  head/sys/netinet/tcp_subr.c

Modified: head/sys/netinet/tcp_subr.c
==============================================================================
--- head/sys/netinet/tcp_subr.c Fri Oct 14 22:23:03 2016        (r307335)
+++ head/sys/netinet/tcp_subr.c Sat Oct 15 00:29:15 2016        (r307336)
@@ -742,7 +742,10 @@ tcp_init(void)
 static void
 tcp_destroy(void *unused __unused)
 {
-       int error, n;
+       int n;
+#ifdef TCP_HHOOK
+       int error;
+#endif
 
        /*
         * All our processes are gone, all our sockets should be cleaned
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