panda: fix dev_list may be freed twice on failure (#22161)

old-commit-hash: 83cd67ddb5
4 years ago · 31adaa3906
parent 7fc6a76f04
commit 31adaa3906
1 changed files with 1 additions and 0 deletions
--- a/selfdrive/boardd/panda.cc
+++ b/selfdrive/boardd/panda.cc
@ -59,6 +59,7 @@ Panda::Panda(std::string serial) {
  }
  if (dev_handle == NULL) goto fail;
  libusb_free_device_list(dev_list, 1);
+  dev_list = nullptr;

  if (libusb_kernel_driver_active(dev_handle, 0) == 1) {
    libusb_detach_kernel_driver(dev_handle, 0);