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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-11-23 01:35:55 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-11-23 01:35:55 -0300
commitd26f4ddb48463e2ff798859505af1cc520e75685 (patch)
treea1268534c14d9a7db61b4758ac72c33a3c7712bb /drivers/char/hw_random/core.c
parent3326a1803802aa4730d32304b003f50720996b31 (diff)
Linux-libre 4.8.10-gnupck-4.8.10-gnu
Diffstat (limited to 'drivers/char/hw_random/core.c')
-rw-r--r--drivers/char/hw_random/core.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 9203f2d13..340f96e44 100644
--- a/drivers/char/hw_random/core.c
+++ b/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)