random.c: fix filling size

* random.c (fill_random_seed): fix the size to be filled, not the
  size of element, but the whole size of array.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 88f42bdd17..727c2f5811 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Dec  5 09:23:34 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* random.c (fill_random_seed): fix the size to be filled, not the
+	  size of element, but the whole size of array.
+
 Sat Dec  5 06:03:54 2015  Eric Wong  <e@80x24.org>
 
 	* vm.c (ruby_vm_verbose_ptr): make static
diff --git a/random.c b/random.c
index 0ce2aef284..05815c028d 100644
--- a/random.c
+++ b/random.c
@@ -567,7 +567,7 @@ fill_random_seed(uint32_t seed[DEFAULT_SEED_CNT])
 
     memset(seed, 0, DEFAULT_SEED_LEN);
 
-    fill_random_bytes(seed, sizeof(*seed), TRUE);
+    fill_random_bytes(seed, DEFAULT_SEED_LEN, TRUE);
 
     gettimeofday(&tv, 0);
     seed[0] ^= tv.tv_usec;