Module Name:    src
Committed By:   christos
Date:           Sun Jul  2 02:39:18 UTC 2017

Modified Files:
        src/sys/kern: uipc_domain.c

Log Message:
don't warn about AF_LINK sockets with sa_len less than the size of the sockaddr


To generate a diff of this commit:
cvs rdiff -u -r1.97 -r1.98 src/sys/kern/uipc_domain.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_domain.c
diff -u src/sys/kern/uipc_domain.c:1.97 src/sys/kern/uipc_domain.c:1.98
--- src/sys/kern/uipc_domain.c:1.97	Sat Jul  1 12:59:12 2017
+++ src/sys/kern/uipc_domain.c	Sat Jul  1 22:39:18 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: uipc_domain.c,v 1.97 2017/07/01 16:59:12 christos Exp $	*/
+/*	$NetBSD: uipc_domain.c,v 1.98 2017/07/02 02:39:18 christos Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1993
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_domain.c,v 1.97 2017/07/01 16:59:12 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_domain.c,v 1.98 2017/07/02 02:39:18 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/socket.h>
@@ -284,6 +284,8 @@ sockaddr_checklen(const struct sockaddr 
 	socklen_t len = sockaddr_getsize_by_family(sa->sa_family);
 	if (len == 0 || len == sa->sa_len)
 		return;
+	if (sa->sa_family == AF_LINK && sa->sa_len <= len)
+		return;
 
 	char buf[512];
 	sockaddr_format(sa, buf, sizeof(buf));

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