License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-block.git] / lib / once.c
index 05c8604627eb0ae085913a91a17013604e83f359..bfb7420d0de33b118f4dbf1aacbd624f60b45cc5 100644 (file)
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/once.h>