can: Add SPDX license identifiers for CAN subsystem

Add missing SPDX identifiers for the CAN network layer and correct the SPDX
license for two of its include files to make sure the BSD-3-Clause applies
for the entire subsystem.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/can/gw.c b/net/can/gw.c
index 5275ddf580bc..8abae841d504 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
 /*
  * gw.c - CAN frame Gateway/Router/Bridge with netlink interface
  *