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random(4): Correct a bare zero to the appropriate enum

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The convention for updating hc_destination[] is to index with a
random_entropy_source.  Zero happens to match RANDOM_CACHED, which is
correct for this source (early random data).  Spell the zero value as the
enum name instead of the magic constant.

No functional change.

Reviewed by:	delphij, markm
Approved by:	secteam (delphij)
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D16983
This commit is contained in:
Conrad Meyer 2018-10-20 21:06:15 +00:00
parent 36209a40d1
commit 93d587e4d0
1 changed files with 2 additions and 1 deletions
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3
sys/dev/random/random_harvestq.c
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@ -414,7 +414,8 @@ random_harvestq_prime(void *unused __unused)
event.he_somecounter = (uint32_t)get_cyclecount();
event.he_size = count;
event.he_source = RANDOM_CACHED;
event.he_destination = harvest_context.hc_destination[0]++;
event.he_destination =
harvest_context.hc_destination[RANDOM_CACHED]++;
memcpy(event.he_entropy, data + i, sizeof(event.he_entropy));
random_harvestq_fast_process_event(&event);
explicit_bzero(&event, sizeof(event));