reserve space for vector of can_frame (#20771)

old-commit-hash: e151425c1c
4 years ago · d76b938a03
parent 9aa9d33f92
commit d76b938a03
1 changed files with 2 additions and 0 deletions
--- a/selfdrive/boardd/boardd_api_impl.pyx
+++ b/selfdrive/boardd/boardd_api_impl.pyx
@ -14,6 +14,8 @@ cdef extern void can_list_to_can_capnp_cpp(const vector[can_frame] &can_list, st

 def can_list_to_can_capnp(can_msgs, msgtype='can', valid=True):
  cdef vector[can_frame] can_list
+  can_list.reserve(len(can_msgs))
+
  cdef can_frame f
  for can_msg in can_msgs:
    f.address = can_msg[0]