fix memory leak

diff --git a/apps/ecdsaparam.c b/apps/ecdsaparam.c
index d94ee3a6495171fafd376bf2ae56d0202c0aa488..fd0b327c24cbc54ed58a9cbf849489a8562a2569 100644 (file)
--- a/apps/ecdsaparam.c
+++ b/apps/ecdsaparam.c
@@ -170,6 +170,7 @@ int MAIN(int argc, char **argv)
                *tmp_6 = NULL, *tmp_7 = NULL;
        BN_CTX  *ctx = NULL;
        EC_POINT *point = NULL;
+       unsigned char *data = NULL;
 
        apps_startup();
 
@@ -376,7 +377,6 @@ bad:
        if (C)
        {       // TODO : characteristic two
                int     l, len, bits_p, bits_a, bits_b, bits_x, bits_y, bits_o, bits_c;
-               unsigned char *data;
                if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
                    (tmp_3 = BN_new()) == NULL || (tmp_4 = BN_new()) == NULL ||
                    (tmp_5 = BN_new()) == NULL || (tmp_6 = BN_new()) == NULL ||
@@ -554,6 +554,7 @@ end:
        if (tmp_3)              BN_free(tmp_6);
        if (tmp_3)              BN_free(tmp_7);
        if (ctx)                BN_CTX_free(ctx);
+       if (data)               OPENSSL_free(data);
        apps_shutdown();
        EXIT(ret);
 }