From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 29 Nov 2023 22:41:06 +0000 (-0500)
Subject: add a fallback __DECLARE_FLEX_ARRAY
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=314ce7d963efe13756e4cd2bb008e02b6afdcb80;p=bcachefs-tools-debian

add a fallback __DECLARE_FLEX_ARRAY

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index f9a5712..da01c38 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -278,7 +278,10 @@ static inline void dump_stack(void) {}
 #define unsafe_memcpy(dst, src, bytes, justification)		\
 	memcpy(dst, src, bytes)
 
-#define DECLARE_FLEX_ARRAY(TYPE, NAME) \
-	__DECLARE_FLEX_ARRAY(TYPE, NAME)
+#ifdef __DECLARE_FLEX_ARRAY
+#define DECLARE_FLEX_ARRAY(TYPE, NAME) __DECLARE_FLEX_ARRAY(TYPE, NAME)
+#else
+#define __DECLARE_FLEX_ARRAY(T, member)	T member[0]
+#endif
 
 #endif