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-rw-r--r--lib/crypto/c_src/engine.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/crypto/c_src/engine.c b/lib/crypto/c_src/engine.c
index 6b3a696c31..4d75f6430b 100644
--- a/lib/crypto/c_src/engine.c
+++ b/lib/crypto/c_src/engine.c
@@ -789,7 +789,10 @@ ERL_NIF_TERM engine_get_all_methods_nif(ErlNifEnv* env, int argc, const ERL_NIF_
{/* () */
#ifdef HAS_ENGINE_SUPPORT
ERL_NIF_TERM method_array[12];
- int i = 0;
+ unsigned int i = 0;
+
+ if (argc != 0)
+ return enif_make_badarg(env);
#ifdef ENGINE_METHOD_RSA
method_array[i++] = atom_engine_method_rsa;