{
int ret = 0;
- if (str)
- ret = parse_line_range_desc(str, ¶ms.line_range);
- INIT_LIST_HEAD(¶ms.line_range.line_list);
+ if (!str)
+ return 0;
+
+ if (params.show_lines) {
+ pr_warning("Warning: more than one --line options are"
+ " detected. Only the first one is valid.\n");
+ return 0;
+ }
+
params.show_lines = true;
+ ret = parse_line_range_desc(str, ¶ms.line_range);
+ INIT_LIST_HEAD(¶ms.line_range.line_list);
return ret;
}