[PATCH nftables 1/8] src: libnftnl: run single-initcalls only once

[Florian Westphal]

---
 src/libnftables.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/libnftables.c b/src/libnftables.c
index a693c0c69075..b169dd2f2afe 100644
--- a/src/libnftables.c
+++ b/src/libnftables.c
@@ -90,11 +90,6 @@ static void nft_init(struct nft_ctx *ctx)
        realm_table_rt_init(ctx);
        devgroup_table_init(ctx);
        ct_label_table_init(ctx);
-
-       gmp_init();
-#ifdef HAVE_LIBXTABLES
-       xt_init();
-#endif
 }
 
 static void nft_exit(struct nft_ctx *ctx)
@@ -142,8 +137,17 @@ static void nft_ctx_netlink_init(struct nft_ctx *ctx)
 EXPORT_SYMBOL(nft_ctx_new);
 struct nft_ctx *nft_ctx_new(uint32_t flags)
 {
+       static bool init_once;
        struct nft_ctx *ctx;
 
+       if (!init_once) {
+               init_once = true;
+               gmp_init();
+#ifdef HAVE_LIBXTABLES
+               xt_init();
+#endif
+       }
+
        ctx = xzalloc(sizeof(struct nft_ctx));
        nft_init(ctx);
 
-- 
2.21.0