From e2f53f8dd97ca2177a60f7c7e7d785d8e3e7faaa Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Sun, 14 Oct 2018 21:06:56 +0200
Subject: [PATCH] Fix possible null pointer dereference in linreg_predict.

Found by cppcheck.
---
 src/math/linreg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/math/linreg.c b/src/math/linreg.c
index d1e0dae980..f88a18a5b8 100644
--- a/src/math/linreg.c
+++ b/src/math/linreg.c
@@ -275,11 +275,11 @@ linreg_predict (const struct linreg *c, const double *vals, size_t n_vals)
   size_t j;
   double result;
 
-  assert (n_vals == c->n_coeffs);
   if (vals == NULL || c == NULL)
     {
       return GSL_NAN;
     }
+  assert (n_vals == c->n_coeffs);
   if (c->coeff == NULL)
     {
       /* The stupid model: just guess the mean. */
-- 
2.30.2