svn commit: r307036 - head/lib/libc/gen

[Konstantin Belousov]

Author: kib
Date: Tue Oct 11 11:45:12 2016
New Revision: 307036
URL: https://svnweb.freebsd.org/changeset/base/307036

Log:
  Fill msg_len for the initial element of msgvec.
  
  Submitted by:	Daniel Salzman <daniel.salzman at nic.cz>
  MFC after:	3 days

Modified:
  head/lib/libc/gen/recvmmsg.c

Modified: head/lib/libc/gen/recvmmsg.c
==============================================================================
--- head/lib/libc/gen/recvmmsg.c	Tue Oct 11 09:19:30 2016	(r307035)
+++ head/lib/libc/gen/recvmmsg.c	Tue Oct 11 11:45:12 2016	(r307036)
@@ -69,6 +69,8 @@ recvmmsg(int s, struct mmsghdr *__restri
 	if (ret == -1)
 		return (ret);
 
+	msgvec[0].msg_len = ret;
+
 	/* 
 	 * Do non-blocking receive for second and later messages if
 	 * WAITFORONE is set.