[PATCH 3/4] hv: add SPDX license to trace

[kys at linuxonhyperv.comi]

From: Stephen Hemminger <stephen at networkplumber.org>

Missing license on Hyper-V VMBUS tracing files.

Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys at microsoft.com>
---
 drivers/hv/hv_trace.c | 2 ++
 drivers/hv/hv_trace.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/hv/hv_trace.c b/drivers/hv/hv_trace.c
index df47acd01a81..38d359cf1e70 100644
--- a/drivers/hv/hv_trace.c
+++ b/drivers/hv/hv_trace.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+
 #include "hyperv_vmbus.h"
 
 #define CREATE_TRACE_POINTS
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index d635ee95b20d..999f80a63bff 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM hyperv
 
-- 
2.15.1