[PATCH v4 4/8] eal_memzone: bail out on initialized

[okaya]

From: Sinan Kaya <ok...@kernel.org>

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

Signed-off-by: Sinan Kaya <ok...@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