diff options
Diffstat (limited to 'kernel/drivers/char/hw_random/core.c')
| -rw-r--r-- | kernel/drivers/char/hw_random/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/drivers/char/hw_random/core.c b/kernel/drivers/char/hw_random/core.c index 6f497aa1b..cf2502057 100644 --- a/kernel/drivers/char/hw_random/core.c +++ b/kernel/drivers/char/hw_random/core.c @@ -84,14 +84,14 @@ static size_t rng_buffer_size(void) static void add_early_randomness(struct hwrng *rng) { - unsigned char bytes[16]; int bytes_read; + size_t size = min_t(size_t, 16, rng_buffer_size()); mutex_lock(&reading_mutex); - bytes_read = rng_get_data(rng, bytes, sizeof(bytes), 1); + bytes_read = rng_get_data(rng, rng_buffer, size, 1); mutex_unlock(&reading_mutex); if (bytes_read > 0) - add_device_randomness(bytes, bytes_read); + add_device_randomness(rng_buffer, bytes_read); } static inline void cleanup_rng(struct kref *kref) |