1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 42a0e9191af5..858f56fa2432 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;

diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 42a0e9191af5..858f56fa2432 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,
3064		3064
3065	len -= size;	3065	len -= size;
3066	handle->addr += size;	3066	handle->addr += size;
		3067	buf += size;
3067	handle->size -= size;	3068	handle->size -= size;
3068	if (!handle->size) {	3069	if (!handle->size) {
3069	struct perf_mmap_data *data = handle->data;	3070	struct perf_mmap_data *data = handle->data;