The per-lcore PRNG was not initializing the rand_state of all
the lcores. Any usage of rte_random by a non-EAL lcore would
use rand_states[RTE_MAX_LCORE] which was never initialized.
Fix by using RTE_DIM() which will get all lcores.
Fixes: 3f002f069612 ("eal: replace libc-based random generation with LFSR")
Cc: mattias.ronnb...@ericsson.com
Acked-by: Morten Brørup <m...@smartsharesystems.com>
Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
lib/eal/common/rte_random.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/eal/common/rte_random.c b/lib/eal/common/rte_random.c
index 53636331a27b..812e5b4757b5 100644
--- a/lib/eal/common/rte_random.c
+++ b/lib/eal/common/rte_random.c
@@ -84,7 +84,7 @@ rte_srand(uint64_t seed)
unsigned int lcore_id;
/* add lcore_id to seed to avoid having the same sequence */
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++)
+ for (lcore_id = 0; lcore_id < RTE_DIM(rand_states); lcore_id++)
__rte_srand_lfsr258(seed + lcore_id, &rand_states[lcore_id]);
}
--
2.39.2
