diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/random.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index 01a260f67437..23cab7a8c1c1 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -987,6 +987,11 @@ void add_device_randomness(const void *buf, unsigned int size) unsigned long time = random_get_entropy() ^ jiffies; unsigned long flags; + if (!crng_ready()) { + crng_fast_load(buf, size); + return; + } + trace_add_device_randomness(size, _RET_IP_); spin_lock_irqsave(&input_pool.lock, flags); _mix_pool_bytes(&input_pool, buf, size); |