diff options
Diffstat (limited to 'lib/crypto/c_src')
| -rw-r--r-- | lib/crypto/c_src/hash.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/crypto/c_src/hash.c b/lib/crypto/c_src/hash.c index 52748dc933..c8835296ea 100644 --- a/lib/crypto/c_src/hash.c +++ b/lib/crypto/c_src/hash.c @@ -34,7 +34,11 @@ struct evp_md_ctx { static ErlNifResourceType* evp_md_ctx_rtype; static void evp_md_ctx_dtor(ErlNifEnv* env, struct evp_md_ctx *ctx) { - EVP_MD_CTX_free(ctx->ctx); + if (ctx == NULL) + return; + + if (ctx->ctx) + EVP_MD_CTX_free(ctx->ctx); } #endif |