Fix cppcheck-1.67 warnings

[alexxy/gromacs.git] / src / programs / view / xdlg.cpp

diff --git a/src/programs/view/xdlg.cpp b/src/programs/view/xdlg.cpp
index 4c3d4375ac2cfa1a33d05f8bc9e5013f1815e65b..2719c42b80a95fef1b21a0f76e638639ca677f4a 100644 (file)
--- a/src/programs/view/xdlg.cpp
+++ b/src/programs/view/xdlg.cpp
@@ -408,11 +408,14 @@ void HelpNow(t_dlg *dlg, t_dlgitem *dlgitem)
         if (gmx_strcasecmp(buf, "nok") == 0)
         {
             /* An error occurred */
-            for (i = 0; (i < nlines); i++)
+            if (lines)
             {
-                sfree(lines[i]);
+                for (i = 0; (i < nlines); i++)
+                {
+                    sfree(lines[i]);
+                }
+                sfree(lines);
             }
-            sfree(lines);
             NoHelp(dlg);
             return;
         }