diff --git a/[refs] b/[refs]
index 06cdc70d59c4..d9e239a04045 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d32ba45503acf9c23b301eba2397ca2ee322627b
+refs/heads/master: d56728b8d7fb3e1e5e5f97b88fdf6b43a35b4f5e
diff --git a/trunk/tools/perf/util/probe-finder.c b/trunk/tools/perf/util/probe-finder.c
index 293cdfc1b8ca..4585f1d86792 100644
--- a/trunk/tools/perf/util/probe-finder.c
+++ b/trunk/tools/perf/util/probe-finder.c
@@ -106,7 +106,7 @@ static int strtailcmp(const char *s1, const char *s2)
 {
 	int i1 = strlen(s1);
 	int i2 = strlen(s2);
-	while (--i1 > 0 && --i2 > 0) {
+	while (--i1 >= 0 && --i2 >= 0) {
 		if (s1[i1] != s2[i2])
 			return s1[i1] - s2[i2];
 	}