1 files changed, 13 insertions, 4 deletions

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 2c0e64d0b4a..710ae3d0a48 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -134,10 +134,18 @@ static int opt_show_lines(const struct option *opt __used,
 {
         int ret = 0;
 
-        if (str)
-                ret = parse_line_range_desc(str, &params.line_range);
-        INIT_LIST_HEAD(&params.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, &params.line_range);
+        INIT_LIST_HEAD(&params.line_range.line_list);
 
         return ret;
 }
@@ -242,7 +250,8 @@ static const struct option options[] = {
         OPT_STRING('s', "source", &symbol_conf.source_prefix,
                    "directory", "path to kernel source"),
         OPT_STRING('m', "module", &params.target_module,
-                   "modname", "target module name"),
+                   "modname|path",
+                   "target module name (for online) or path (for offline)"),
 #endif
         OPT__DRY_RUN(&probe_event_dry_run),
         OPT_INTEGER('\0', "max-probes", &params.max_probe_points,