[src/trunk]: src/sys/net Fix spl leak.

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

details:   https://anonhg.NetBSD.org/src/rev/328da7a34aee
branches:  trunk
changeset: 358735:328da7a34aee
user:      maxv <maxv%NetBSD.org@localhost>
date:      Mon Jan 15 09:26:21 2018 +0000

description:
Fix spl leak.

        ifconfig gif0 create
        ifconfig gif0 destroy
        WARNING: SPL NOT LOWERED ON ...

diffstat:

 sys/net/if_gif.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 895ef4532016 -r 328da7a34aee sys/net/if_gif.c
--- a/sys/net/if_gif.c  Mon Jan 15 08:45:19 2018 +0000
+++ b/sys/net/if_gif.c  Mon Jan 15 09:26:21 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_gif.c,v 1.137 2017/12/21 09:35:38 knakahara Exp $   */
+/*     $NetBSD: if_gif.c,v 1.138 2018/01/15 09:26:21 maxv Exp $        */
 /*     $KAME: if_gif.c,v 1.76 2001/08/20 02:01:02 kjc Exp $    */
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.137 2017/12/21 09:35:38 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.138 2018/01/15 09:26:21 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1126,6 +1126,9 @@
                mutex_exit(&sc->gif_lock);
                encap_lock_exit();
                kmem_free(nvar, sizeof(*nvar));
+#ifndef GIF_MPSAFE
+               splx(s);
+#endif
                return;
        }