Merge pull request #12115 from jiangtaoli2016/next_bytes_to_send

Make bytes_to_send in tsi_handshaker_next const

1 files changed, 2 insertions, 1 deletions

diff --git a/src/core/tsi/transport_security.h b/src/core/tsi/transport_security.h
index 2c7db6bca9..cb64c9706a 100644
--- a/src/core/tsi/transport_security.h
+++ b/src/core/tsi/transport_security.h
@@ -70,7 +70,8 @@ typedef struct {
                                        tsi_frame_protector **protector);
   void (*destroy)(tsi_handshaker *self);
   tsi_result (*next)(tsi_handshaker *self, const unsigned char *received_bytes,
-                     size_t received_bytes_size, unsigned char **bytes_to_send,
+                     size_t received_bytes_size,
+                     const unsigned char **bytes_to_send,
                      size_t *bytes_to_send_size,
                      tsi_handshaker_result **handshaker_result,
                      tsi_handshaker_on_next_done_cb cb, void *user_data);