Module Name: src
Committed By: maxv
Date: Mon Feb 12 16:01:35 UTC 2018
Modified Files:
src/sys/kern: uipc_syscalls.c
Log Message:
Add a KASSERT; we expect *from to be a single mbuf (not chained).
To generate a diff of this commit:
cvs rdiff -u -r1.190 -r1.191 src/sys/kern/uipc_syscalls.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/uipc_syscalls.c
diff -u src/sys/kern/uipc_syscalls.c:1.190 src/sys/kern/uipc_syscalls.c:1.191
--- src/sys/kern/uipc_syscalls.c:1.190 Thu Jan 4 01:42:25 2018
+++ src/sys/kern/uipc_syscalls.c Mon Feb 12 16:01:35 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: uipc_syscalls.c,v 1.190 2018/01/04 01:42:25 christos Exp $ */
+/* $NetBSD: uipc_syscalls.c,v 1.191 2018/02/12 16:01:35 maxv Exp $ */
/*-
* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.190 2018/01/04 01:42:25 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.191 2018/02/12 16:01:35 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_pipe.h"
@@ -989,6 +989,7 @@ do_sys_recvmsg_so(struct lwp *l, int s,
mp->msg_flags &= MSG_USERFLAGS;
error = (*so->so_receive)(so, from, &auio, NULL, control,
&mp->msg_flags);
+ KASSERT(*from == NULL || (*from)->m_next == NULL);
len -= auio.uio_resid;
*retsize = len;
if (error != 0 && len != 0
