X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb-python/blobdiff_plain/5e68fc2a078997337ca62924cd3fd481d172e42b..4281a7ee8646165a39f03bcab908b30dee643dae:/ec.c

diff --git a/ec.c b/ec.c
index ef5d855..6280010 100644
--- a/ec.c
+++ b/ec.c
@@ -465,7 +465,7 @@ static int ecptxl_1(ec_curve *c, ec *p, PyObject *x)
     if (!EC_FIND(c, p, xx)) VALERR("not on the curve");
   } else if (PySequence_Check(x)) {
     t = x; x = 0;
-    n = PySequence_Size(t);
+    n = PySequence_Size(t); if (n < 0) goto end;
     if (n != 2 && (n != 3 || !c))
       TYERR("want sequence of two or three items");
     if ((x = PySequence_GetItem(t, 0)) == 0 ||