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);
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