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-rw-r--r--tools/lib/bpf/libbpf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 5d60de6fd818..74d967619dcf 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8137,9 +8137,12 @@ void perf_buffer__free(struct perf_buffer *pb)
if (!pb)
return;
if (pb->cpu_bufs) {
- for (i = 0; i < pb->cpu_cnt && pb->cpu_bufs[i]; i++) {
+ for (i = 0; i < pb->cpu_cnt; i++) {
struct perf_cpu_buf *cpu_buf = pb->cpu_bufs[i];
+ if (!cpu_buf)
+ continue;
+
bpf_map_delete_elem(pb->map_fd, &cpu_buf->map_key);
perf_buffer__free_cpu_buf(pb, cpu_buf);
}