Let EC_POINT_copy do nothing if dest==src

diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c
index 8154a17eff21c308660c396723ef11f71086f1de..bef62961e16690e017c25335f9f0fc230c284c77 100644 (file)
--- a/crypto/ec/ec_lib.c
+++ b/crypto/ec/ec_lib.c
@@ -316,6 +316,8 @@ int EC_POINT_copy(EC_POINT *dest, const EC_POINT *src)
                ECerr(EC_F_EC_POINT_COPY, EC_R_INCOMPATIBLE_OBJECTS);
                return 0;
                }
+       if (dest == src)
+               return 1;
        return dest->meth->point_copy(dest, src);
        }