Add support for fallthrough on case statements. Note this does *NOT*
check for missing fallthrough, but does allow compiling of code with
fallthrough in case statements.
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
tools/testing/radix-tree/linux/kernel.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index c5c9d05f29da9..99979aeaa3796 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -24,4 +24,11 @@
#define __must_hold(x)
#define EXPORT_PER_CPU_SYMBOL_GPL(x)
+
+#if __has_attribute(__fallthrough__)
+# define fallthrough __attribute__((__fallthrough__))
+#else
+# define fallthrough do {} while (0) /* fallthrough */
+#endif /* __has_attribute */
+
#endif /* _KERNEL_H */
--
2.28.0
