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From: Ngie Cooper <ngie@FreeBSD.org>
Date: Mon, 9 Jan 2017 00:38:20 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r311713 - head/usr.sbin/route6d
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Author: ngie
Date: Mon Jan  9 00:38:19 2017
New Revision: 311713
URL: https://svnweb.freebsd.org/changeset/base/311713

Log:
  Use nitems(mib) instead of hardcoding mib's length
  
  MFC after:	3 days

Modified:
  head/usr.sbin/route6d/route6d.c

Modified: head/usr.sbin/route6d/route6d.c
==============================================================================
--- head/usr.sbin/route6d/route6d.c	Mon Jan  9 00:37:09 2017	(r311712)
+++ head/usr.sbin/route6d/route6d.c	Mon Jan  9 00:38:19 2017	(r311713)
@@ -2418,7 +2418,7 @@ getifmtu(int ifindex)
 	mib[3] = AF_INET6;
 	mib[4] = NET_RT_IFLIST;
 	mib[5] = ifindex;
-	if (sysctl(mib, 6, NULL, &msize, NULL, 0) < 0) {
+	if (sysctl(mib, nitems(mib), NULL, &msize, NULL, 0) < 0) {
 		fatal("sysctl estimate NET_RT_IFLIST");
 		/*NOTREACHED*/
 	}
@@ -2426,7 +2426,7 @@ getifmtu(int ifindex)
 		fatal("malloc");
 		/*NOTREACHED*/
 	}
-	if (sysctl(mib, 6, buf, &msize, NULL, 0) < 0) {
+	if (sysctl(mib, nitems(mib), buf, &msize, NULL, 0) < 0) {
 		fatal("sysctl NET_RT_IFLIST");
 		/*NOTREACHED*/
 	}
@@ -2598,7 +2598,7 @@ krtread(int again)
 			free(buf);
 			buf = NULL;
 		}
-		if (sysctl(mib, 6, NULL, &msize, NULL, 0) < 0) {
+		if (sysctl(mib, nitems(mib), NULL, &msize, NULL, 0) < 0) {
 			errmsg = "sysctl estimate";
 			continue;
 		}
@@ -2606,7 +2606,7 @@ krtread(int again)
 			errmsg = "malloc";
 			continue;
 		}
-		if (sysctl(mib, 6, buf, &msize, NULL, 0) < 0) {
+		if (sysctl(mib, nitems(mib), buf, &msize, NULL, 0) < 0) {
 			errmsg = "sysctl NET_RT_DUMP";
 			continue;
 		}