bpf: perf event change needed for subsequent bpf helpers

This patch does not impact existing functionalities.
It contains the changes in perf event area needed for
subsequent bpf_perf_event_read_value and
bpf_perf_prog_read_value helpers.

Signed-off-by: Yonghong Song <yhs@fb.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 98c0f00c3f5e..68d866628be0 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -492,7 +492,7 @@ static void *perf_event_fd_array_get_ptr(struct bpf_map *map,
 
         ee = ERR_PTR(-EOPNOTSUPP);
         event = perf_file->private_data;
-        if (perf_event_read_local(event, &value) == -EOPNOTSUPP)
+        if (perf_event_read_local(event, &value, NULL, NULL) == -EOPNOTSUPP)
                 goto err_out;
 
         ee = bpf_event_entry_gen(perf_file, map_file);