From: Jason Stover <jhs@math.gcsu.edu>
Date: Fri, 7 Apr 2006 20:02:27 +0000 (+0000)
Subject: fixed null pointer checking
X-Git-Tag: v0.6.0~1006
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99671fac758efbaaeb4516570fbed93a0a43a480;p=pspp-builds.git

fixed null pointer checking
---

diff --git a/src/math/linreg/coefficient.c b/src/math/linreg/coefficient.c
index cca02bcb..c372cd0e 100644
--- a/src/math/linreg/coefficient.c
+++ b/src/math/linreg/coefficient.c
@@ -188,11 +188,14 @@ pspp_linreg_get_coeff (const pspp_linreg_cache *c,
   struct pspp_linreg_coeff *result;
   const struct variable *tmp;
 
-  if (c == NULL || c->coeff == NULL || c->n_indeps == NULL || v == NULL)
+  if (c == NULL)
+    {
+      return NULL;
+    }
+  if ( c->coeff == NULL || c->n_indeps == NULL || v == NULL)
     {
       return NULL;
     }
-  
   result = c->coeff + i;
   tmp = pspp_linreg_coeff_get_var (result, 0);
   while (tmp->index != v->index && i < c->n_coeffs)