mka: Simplify ieee802_1x_mka_encode_icv_body() memory copying

There is no need to maintain two os_memcpy() calls to cover different
cmac lengths.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>

diff --git a/src/pae/ieee802_1x_kay.c b/src/pae/ieee802_1x_kay.c
index 3a93323..fe442d5 100644 (file)
--- a/src/pae/ieee802_1x_kay.c
+++ b/src/pae/ieee802_1x_kay.c
@@ -1756,12 +1756,9 @@ ieee802_1x_mka_encode_icv_body(struct ieee802_1x_mka_participant *participant,
                return -1;
        }
 
-       if (length != DEFAULT_ICV_LEN)  {
-               os_memcpy(wpabuf_put(buf, length - MKA_HDR_LEN), cmac,
-                         length - MKA_HDR_LEN);
-       } else {
-               os_memcpy(wpabuf_put(buf, length), cmac, length);
-       }
+       if (length != DEFAULT_ICV_LEN)
+               length -= MKA_HDR_LEN;
+       os_memcpy(wpabuf_put(buf, length), cmac, length);
 
        return 0;
 }