horrible test hack
diff --git a/drivers/char/random.c b/drivers/char/random.c
index a692129..1a7bb67 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -377,6 +377,8 @@
*/
static int random_write_wakeup_bits = 28 * OUTPUT_POOL_WORDS;
+static int may_init;
+
/*
* Originally, we used a primitive polynomial of degree .poolwords
* over GF(2). The taps for various sizes are defined below. They
@@ -956,6 +958,9 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
__u32 key[8];
} buf;
+ if (!may_init)
+ return;
+
if (r) {
num = extract_entropy(r, &buf, 32, 16, 0);
if (num == 0)
@@ -1763,7 +1768,9 @@ static ssize_t initialized_read(struct file *file,
static ssize_t initialized_write(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
- return -EINVAL;
+ may_init = 1;
+ crng_reseed(&primary_crng, &input_pool);
+ return count;
}
static const struct file_operations initialized_fops = {
