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path: root/drivers/char/random.c
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Diffstat (limited to 'drivers/char/random.c')
-rw-r--r--drivers/char/random.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 85da8740586..54ca8b23cde 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -387,7 +387,7 @@ static DECLARE_WAIT_QUEUE_HEAD(random_write_wait);
static struct fasync_struct *fasync;
#if 0
-static int debug;
+static bool debug;
module_param(debug, bool, 0644);
#define DEBUG_ENT(fmt, arg...) do { \
if (debug) \
@@ -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->POOLBYTES; i > 0; i -= sizeof flags) {
+ if (!arch_get_random_long(&flags))
+ break;
+ mix_pool_bytes(r, &flags, sizeof(flags));
+ }
mix_pool_bytes(r, utsname(), sizeof(*(utsname())));
}