diff --git a/[refs] b/[refs]
index 841b5e56c819..6128a7e108f2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 31160d7feab786c991780d7f0ce2755a469e0e5e
+refs/heads/master: a65c23420668f7112395abf9c6f22c6450567bf0
diff --git a/trunk/tools/perf/util/sysfs.c b/trunk/tools/perf/util/sysfs.c
index 48c6902e749f..f71e9eafe15a 100644
--- a/trunk/tools/perf/util/sysfs.c
+++ b/trunk/tools/perf/util/sysfs.c
@@ -8,7 +8,7 @@ static const char * const sysfs_known_mountpoints[] = {
 };
 
 static int sysfs_found;
-char sysfs_mountpoint[PATH_MAX];
+char sysfs_mountpoint[PATH_MAX + 1];
 
 static int sysfs_valid_mountpoint(const char *sysfs)
 {