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| author | Mike Marshall <hubcap@omnibond.com> | 2017-01-27 13:33:25 -0500 |
|---|---|---|
| committer | Mike Marshall <hubcap@omnibond.com> | 2017-01-27 13:33:25 -0500 |
| commit | a1f817dc8ed79cdff2b76bc51d545fb9465982be (patch) | |
| tree | 2c92b9b7cdf3b0efb3b9ce33cd6f84ef4d54a1a7 /drivers/char/hw_random/core.c | |
| parent | 04102c76a779f1c4cec4f0fb51cacc360117b522 (diff) | |
| parent | 69973b830859bc6529a7a0468ba0d80ee5117826 (diff) | |
Merge tag 'v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into for-next
Linux 4.9
Diffstat (limited to 'drivers/char/hw_random/core.c')
| -rw-r--r-- | drivers/char/hw_random/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 482794526e8c..d2d2c89de5b4 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) |