pspp_coeff_var_to_coeff: Guard against a null pointer in coefs[i]->v_info.

[pspp-builds.git] / src / math / coefficient.c

diff --git a/src/math/coefficient.c b/src/math/coefficient.c
index 5872b576fabfc82227aac28dae759ec43ded96ac..2feeedbaa8f2aff28ace93a23cd0a72fd0d43436 100644 (file)
--- a/src/math/coefficient.c
+++ b/src/math/coefficient.c
@@ -160,13 +160,21 @@ pspp_coeff_var_to_coeff (const struct variable *v, struct pspp_coeff **coefs,
   size_t i = 0;
   size_t j = 0;
   size_t v_idx;
+  int found = 0;
   struct pspp_coeff *result = NULL;
 
   if (v != NULL)
     {
       v_idx = var_get_dict_index (v);
-      while (i < n_coef && var_get_dict_index (coefs[i]->v_info->v) != v_idx)
+      while (i < n_coef)
        {
+         if (coefs[i]->v_info != NULL)
+           {
+             if (var_get_dict_index (coefs[i]->v_info->v) == v_idx)
+               {
+                 break;
+               }
+           }
          i++;
        }
       result = coefs[i];