Updated to hostap_2_6

[mech_eap.git] / libeap / src / crypto / dh_groups.c

diff --git a/libeap/src/crypto/dh_groups.c b/libeap/src/crypto/dh_groups.c
index 3aeb2bb..7912361 100644 (file)
--- a/libeap/src/crypto/dh_groups.c
+++ b/libeap/src/crypto/dh_groups.c
@@ -1218,14 +1218,19 @@ struct wpabuf * dh_init(const struct dh_group *dh, struct wpabuf **priv)
 
        pv_len = dh->prime_len;
        pv = wpabuf_alloc(pv_len);
-       if (pv == NULL)
+       if (pv == NULL) {
+               wpabuf_clear_free(*priv);
+               *priv = NULL;
                return NULL;
+       }
        if (crypto_mod_exp(dh->generator, dh->generator_len,
                           wpabuf_head(*priv), wpabuf_len(*priv),
                           dh->prime, dh->prime_len, wpabuf_mhead(pv),
                           &pv_len) < 0) {
                wpabuf_clear_free(pv);
                wpa_printf(MSG_INFO, "DH: crypto_mod_exp failed");
+               wpabuf_clear_free(*priv);
+               *priv = NULL;
                return NULL;
        }
        wpabuf_put(pv, pv_len);