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-rw-r--r--lib/random32.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/random32.c b/lib/random32.c
index 82da4f4..1e5b2df 100644
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -214,18 +214,22 @@ static DEFINE_TIMER(seed_timer, __prandom_timer, 0, 0);
static void __prandom_timer(unsigned long dontcare)
{
u32 entropy;
+ unsigned long expires;
get_random_bytes(&entropy, sizeof(entropy));
prandom_seed(entropy);
+
/* reseed every ~60 seconds, in [40 .. 80) interval with slack */
- seed_timer.expires = jiffies + (40 * HZ + (prandom_u32() % (40 * HZ)));
+ expires = 40 + (prandom_u32() % 40);
+ seed_timer.expires = jiffies + msecs_to_jiffies(expires * MSEC_PER_SEC);
+
add_timer(&seed_timer);
}
-static void prandom_start_seed_timer(void)
+static void __init __prandom_start_seed_timer(void)
{
set_timer_slack(&seed_timer, HZ);
- seed_timer.expires = jiffies + 40 * HZ;
+ seed_timer.expires = jiffies + msecs_to_jiffies(40 * MSEC_PER_SEC);
add_timer(&seed_timer);
}
@@ -270,7 +274,7 @@ void prandom_reseed_late(void)
static int __init prandom_reseed(void)
{
__prandom_reseed(false);
- prandom_start_seed_timer();
+ __prandom_start_seed_timer();
return 0;
}
late_initcall(prandom_reseed);
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