use the size of the buffer not the pointer in resume_randomness()

ok djm@ miod@ deraadt@

diff --git a/sys/dev/rnd.c b/sys/dev/rnd.c
index 9074bd5..970b3be 100644 (file)
--- a/sys/dev/rnd.c
+++ b/sys/dev/rnd.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rnd.c,v 1.173 2015/03/14 03:38:46 jsg Exp $   */
+/*     $OpenBSD: rnd.c,v 1.174 2015/05/04 09:38:05 jsg Exp $   */
 
 /*
  * Copyright (c) 2011 Theo de Raadt.
@@ -553,7 +553,7 @@ resume_randomness(char *buf, size_t buflen)
        struct timespec ts;
 
        if (buf && buflen)
-               _rs_seed(buf, sizeof(buf));
+               _rs_seed(buf, buflen);
        getnanotime(&ts);
        add_true_randomness(ts.tv_sec);
        add_true_randomness(ts.tv_nsec);