Fix an off-by-one uncovered by the recent free(9) change

From canacar@, thanks!

diff --git a/sys/dev/pv/pvbus.c b/sys/dev/pv/pvbus.c
index 902221e..885cf70 100644 (file)
--- a/sys/dev/pv/pvbus.c
+++ b/sys/dev/pv/pvbus.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pvbus.c,v 1.17 2017/06/22 06:21:12 jmatthew Exp $     */
+/*     $OpenBSD: pvbus.c,v 1.18 2018/01/18 11:43:20 mikeb Exp $        */
 
 /*
  * Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org>
@@ -480,8 +480,8 @@ pvbusioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p)
                break;
        }
 
-       free(key, M_TEMP, keylen);
-       free(value, M_TEMP, valuelen);
+       free(key, M_TEMP, keylen + 1);
+       free(value, M_TEMP, valuelen + 1);
 
        return (error);
 }