[PATCH v3 3/7] eal_memzone: bail out on initialized

[okaya@kernel.org]

From: Sinan Kaya <okaya@kernel.org>

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

Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
 lib/eal/common/eal_common_memzone.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/eal/common/eal_common_memzone.c b/lib/eal/common/eal_common_memzone.c
index 1f3e701499..6645ccfe83 100644
--- a/lib/eal/common/eal_common_memzone.c
+++ b/lib/eal/common/eal_common_memzone.c
@@ -22,6 +22,8 @@
 #include "eal_private.h"
 #include "eal_memcfg.h"
 
+static bool memzone_initialized;
+
 /* Default count used until rte_memzone_max_set() is called */
 #define DEFAULT_MAX_MEMZONE_COUNT 2560
 
@@ -426,6 +428,9 @@ rte_eal_memzone_init(void)
 	struct rte_mem_config *mcfg;
 	int ret = 0;
 
+	if (memzone_initialized)
+		return 0;
+
 	/* get pointer to global configuration */
 	mcfg = rte_eal_get_configuration()->mem_config;
 
@@ -444,6 +449,8 @@ rte_eal_memzone_init(void)
 
 	rte_rwlock_write_unlock(&mcfg->mlock);
 
+	memzone_initialized = true;
+
 	return ret;
 }
 
-- 
2.25.1