From 83cd67ddb5a7f8fc649d38aa24130e38f230fe69 Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Wed, 8 Sep 2021 06:12:38 +0800
Subject: [PATCH] panda: fix dev_list may be freed twice on failure (#22161)

---
 selfdrive/boardd/panda.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/selfdrive/boardd/panda.cc b/selfdrive/boardd/panda.cc
index d61cdf4d06..72c6268b12 100644
--- 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);