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-rw-r--r--tools/perf/util/probe-event.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 4bde988a0b04..d3af30d62880 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1068,13 +1068,13 @@ static char *synthesize_perf_probe_point(struct perf_probe_point *pp)
goto error;
}
if (pp->file) {
- len = strlen(pp->file) - 31;
- if (len < 0)
- len = 0;
- tmp = strchr(pp->file + len, '/');
- if (!tmp)
- tmp = pp->file + len;
- ret = e_snprintf(file, 32, "@%s", tmp + 1);
+ tmp = pp->file;
+ len = strlen(tmp);
+ if (len > 30) {
+ tmp = strchr(pp->file + len - 30, '/');
+ tmp = tmp ? tmp + 1 : pp->file + len - 30;
+ }
+ ret = e_snprintf(file, 32, "@%s", tmp);
if (ret <= 0)
goto error;
}