[src/trunk]: src/sys/arch/mips/mips spl leak, found by mootja

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/66413c4e2ac8
branches:  trunk
changeset: 355892:66413c4e2ac8
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sun Aug 20 11:06:35 2017 +0000

description:
spl leak, found by mootja

diffstat:

 sys/arch/mips/mips/cpu_subr.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r f83526a03b62 -r 66413c4e2ac8 sys/arch/mips/mips/cpu_subr.c
--- a/sys/arch/mips/mips/cpu_subr.c     Sun Aug 20 11:05:24 2017 +0000
+++ b/sys/arch/mips/mips/cpu_subr.c     Sun Aug 20 11:06:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu_subr.c,v 1.32 2017/05/07 04:14:20 skrll Exp $      */
+/*     $NetBSD: cpu_subr.c,v 1.33 2017/08/20 11:06:35 maxv Exp $       */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.32 2017/05/07 04:14:20 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.33 2017/08/20 11:06:35 maxv Exp $");
 
 #include "opt_cputype.h"
 #include "opt_ddb.h"
@@ -771,8 +771,10 @@
        int s = splhigh();
        cpuid_t cii = cpu_index(curcpu());
 
-       if (__predict_false(cold))
+       if (__predict_false(cold)) {
+               splx(s);
                return;
+       }
 
        do {
                kcpuset_atomic_set(cpus_paused, cii);