treewide: Add SPDX license identifier for missed files

[linux-block.git] / kernel / locking / rtmutex.c

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 978d63a8261c265e76eddcc1f933cd714e1b6e66..38fbf9fa7f1be649b71aaa4a53091d777849bb38 100644 (file)
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * RT-Mutexes: simple blocking mutual exclusion locks with PI support
  *