diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/random.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index bc0de22f31f4..364a8001a2bd 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -920,6 +920,11 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, static void _xfer_secondary_pool(struct entropy_store *r, size_t nbytes); static void xfer_secondary_pool(struct entropy_store *r, size_t nbytes) { + if (!r->pull || + r->entropy_count >= (nbytes << (ENTROPY_SHIFT + 3)) || + r->entropy_count > r->poolinfo->poolfracbits) + return; + if (r->limit == 0 && random_min_urandom_seed) { unsigned long now = jiffies; @@ -928,10 +933,8 @@ static void xfer_secondary_pool(struct entropy_store *r, size_t nbytes) return; r->last_pulled = now; } - if (r->pull && - r->entropy_count < (nbytes << (ENTROPY_SHIFT + 3)) && - r->entropy_count < r->poolinfo->poolfracbits) - _xfer_secondary_pool(r, nbytes); + + _xfer_secondary_pool(r, nbytes); } static void _xfer_secondary_pool(struct entropy_store *r, size_t nbytes) |