svn commit: r210796 - head/sys/compat/freebsd32

[Konstantin Belousov]

Author: kib
Date: Tue Aug  3 11:23:44 2010
New Revision: 210796
URL: http://svn.freebsd.org/changeset/base/210796

Log:
  When compat32 recvmsg(2) does not need to copy out control messages, set
  msg_controllen to 0.
  
  PR:	kern/149227
  Submitted by:	Stef Walter <stef memberwebs com>
  MFC after:	1 weeks

Modified:
  head/sys/compat/freebsd32/freebsd32_misc.c

Modified: head/sys/compat/freebsd32/freebsd32_misc.c
==============================================================================
--- head/sys/compat/freebsd32/freebsd32_misc.c	Tue Aug  3 11:21:17 2010	(r210795)
+++ head/sys/compat/freebsd32/freebsd32_misc.c	Tue Aug  3 11:23:44 2010	(r210796)
@@ -1059,6 +1059,8 @@ freebsd32_recvmsg(td, uap)
 		
 		if (control != NULL)
 			error = freebsd32_copy_msg_out(&msg, control);
+		else
+			msg.msg_controllen = 0;
 		
 		if (error == 0)
 			error = freebsd32_copyoutmsghdr(&msg, uap->msg);