[PATCH v5 04/10] eal_memzone: bail out on initialized

[okaya at kernel.org]

From: Sinan Kaya <okaya at kernel.org>

Initialize memzone once and bail out if someone calls init
multiple times.

Signed-off-by: Sinan Kaya <okaya at kernel.org>
---
 lib/eal/common/eal_common_memzone.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/eal/common/eal_common_memzone.c b/lib/eal/common/eal_common_memzone.c
index 1f3e701499..d2fac4be01 100644
--- a/lib/eal/common/eal_common_memzone.c
+++ b/lib/eal/common/eal_common_memzone.c
@@ -425,6 +425,10 @@ rte_eal_memzone_init(void)
 {
 	struct rte_mem_config *mcfg;
 	int ret = 0;
+	static bool run_once;
+
+	if (run_once)
+		return 0;
 
 	/* get pointer to global configuration */
 	mcfg = rte_eal_get_configuration()->mem_config;
@@ -444,6 +448,8 @@ rte_eal_memzone_init(void)
 
 	rte_rwlock_write_unlock(&mcfg->mlock);
 
+	run_once = true;
+
 	return ret;
 }
 
-- 
2.25.1