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-rw-r--r--tools/perf/util/evlist.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 8b19e7a1e881..963d63dde457 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -447,8 +447,10 @@ static int __perf_evlist__mmap(struct perf_evlist *evlist,
evlist->mmap[idx].mask = mask;
evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, prot,
MAP_SHARED, fd, 0);
- if (evlist->mmap[idx].base == MAP_FAILED)
+ if (evlist->mmap[idx].base == MAP_FAILED) {
+ evlist->mmap[idx].base = NULL;
return -1;
+ }
perf_evlist__add_pollfd(evlist, fd);
return 0;