Free dh_ctx on failure in wps_nfc_gen_dh()

This is needed to avoid a memory leak on an error path.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

diff --git a/src/wps/wps_common.c b/src/wps/wps_common.c
index 2e3472177de9e75c95da539edd70ab506a870b3a..bcae1ba5887b67faf437b249ffb5302d57ad64fc 100644 (file)
--- a/src/wps/wps_common.c
+++ b/src/wps/wps_common.c
@@ -654,6 +654,7 @@ int wps_nfc_gen_dh(struct wpabuf **pubkey, struct wpabuf **privkey)
        pub = wpabuf_zeropad(pub, 192);
        if (pub == NULL) {
                wpabuf_free(priv);
+               dh5_free(dh_ctx);
                return -1;
        }
        wpa_hexdump_buf(MSG_DEBUG, "WPS: Generated new DH pubkey", pub);