X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fcharts%2Froc-chart-cairo.c;h=ae2db62efbd6f7acd4482be82323d70bc093e154;hb=bdd73954cd30c51c959205e46c98e5feb4d1df87;hp=97f7a45d9ad6293755ba5d401fdae386af2d955f;hpb=96994a54e60e9c95b8bba54c2281acf7059b1203;p=pspp

diff --git a/src/output/charts/roc-chart-cairo.c b/src/output/charts/roc-chart-cairo.c
index 97f7a45d9a..ae2db62efb 100644
--- a/src/output/charts/roc-chart-cairo.c
+++ b/src/output/charts/roc-chart-cairo.c
@@ -37,8 +37,10 @@ xrchart_draw_roc (const struct chart_item *chart_item, cairo_t *cr,
   xrchart_write_xlabel (cr, geom, _("1 - Specificity"));
   xrchart_write_ylabel (cr, geom, _("Sensitivity"));
 
-  xrchart_write_xscale (cr, geom, 0, 1);
-  xrchart_write_yscale (cr, geom, 0, 1);
+  if (! xrchart_write_xscale (cr, geom, 0, 1))
+    return;
+  if (! xrchart_write_yscale (cr, geom, 0, 1))
+    return;
 
   if (rc->reference)
     {