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-rw-r--r--tools/perf/util/event.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 2880e22..8ab0d7d 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -346,7 +346,8 @@ out:
if (!strcmp(execname, ""))
strcpy(execname, anonstr);
- if (!strncmp(execname, hugetlbfs_mnt, hugetlbfs_mnt_len)) {
+ if (hugetlbfs_mnt_len &&
+ !strncmp(execname, hugetlbfs_mnt, hugetlbfs_mnt_len)) {
strcpy(execname, anonstr);
event->mmap2.flags |= MAP_HUGETLB;
}