2011-02-22  Michael Snyder  <msnyder@vmware.com>

	* cli/cli-utils.c (number_is_in_list): Check for zero return.

Index: cli/cli-utils.c
===================================================================
RCS file: /cvs/src/src/gdb/cli/cli-utils.c,v
retrieving revision 1.9
diff -u -p -u -p -r1.9 cli-utils.c
--- cli/cli-utils.c	21 Feb 2011 23:40:46 -0000	1.9
+++ cli/cli-utils.c	22 Feb 2011 18:24:22 -0000
@@ -175,10 +175,15 @@ number_is_in_list (char *list, int numbe
   if (list == NULL || *list == '\0')
     return 1;
 
-  while (list != NULL && *list != '\0')
-    if (get_number_or_range (&list) == number)
-      return 1;
+  while (*list != '\0')
+    {
+      int gotnum = get_number_or_range (&list);
 
+      if (gotnum == 0)
+	error (_("Args must be numbers or '$' variables."));
+      if (gotnum == number)
+	return 1;
+    }
   return 0;
 }