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-rw-r--r--tools/perf/builtin-probe.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 5f2a5c7046df..710ae3d0a489 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;
}