diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/random.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index a19a7a63ec35..a38d97a21455 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1228,14 +1228,11 @@ static void init_std_data(struct entropy_store *r) ktime_t now = ktime_get_real(); unsigned long rv; - r->entropy_count = 0; - r->entropy_total = 0; - r->last_data_init = 0; r->last_pulled = jiffies; mix_pool_bytes(r, &now, sizeof(now), NULL); for (i = r->poolinfo->poolbytes; i > 0; i -= sizeof(rv)) { if (!arch_get_random_long(&rv)) - break; + rv = random_get_entropy(); mix_pool_bytes(r, &rv, sizeof(rv), NULL); } mix_pool_bytes(r, utsname(), sizeof(*(utsname())), NULL); @@ -1258,7 +1255,7 @@ static int rand_initialize(void) init_std_data(&nonblocking_pool); return 0; } -module_init(rand_initialize); +early_initcall(rand_initialize); #ifdef CONFIG_BLOCK void rand_initialize_disk(struct gendisk *disk) @@ -1433,10 +1430,15 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg) return 0; case RNDZAPENTCNT: case RNDCLEARPOOL: - /* Clear the entropy pool counters. */ + /* + * Clear the entropy pool counters. We no longer clear + * the entropy pool, as that's silly. + */ if (!capable(CAP_SYS_ADMIN)) return -EPERM; - rand_initialize(); + input_pool.entropy_count = 0; + nonblocking_pool.entropy_count = 0; + blocking_pool.entropy_count = 0; return 0; default: return -EINVAL; |