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-rw-r--r--kernel/perf_event.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 42a0e91..858f56fa 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -3064,6 +3064,7 @@ __always_inline void perf_output_copy(struct perf_output_handle *handle,
len -= size;
handle->addr += size;
+ buf += size;
handle->size -= size;
if (!handle->size) {
struct perf_mmap_data *data = handle->data;
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