random: Use arch-specific RNG to initialize the entropy store

[linux.git] / drivers / char / random.c

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 85da8740586b3dbe381373d6f7e52d6b348329ac..30794779c523048e3d1f1a27a9aa014b84a775ee 100644 (file)
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -965,6 +965,7 @@ EXPORT_SYMBOL(get_random_bytes);
  */
 static void init_std_data(struct entropy_store *r)
 {
+       int i;
        ktime_t now;
        unsigned long flags;
 
@@ -974,6 +975,11 @@ static void init_std_data(struct entropy_store *r)
 
        now = ktime_get_real();
        mix_pool_bytes(r, &now, sizeof(now));
+       for (i = r->poolinfo->poolwords; i; i--) {
+               if (!arch_get_random_long(&flags))
+                       break;
+               mix_pool_bytes(r, &flags, sizeof(flags));
+       }
        mix_pool_bytes(r, utsname(), sizeof(*(utsname())));
 }