From 8cdb9e6b30a5f9cad924e20febb8a560b232802e Mon Sep 17 00:00:00 2001
From: Jozsef Kadlecsik <kadlec@netfilter.org>
Date: Mon, 7 Dec 2020 15:35:56 +0100
Subject: Move compiler specific compatibility support to separated file

Kernel compatibility support was broken in 7.9, reported by Ed W.

Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
---
 kernel/include/linux/jhash.h                              |  2 +-
 kernel/include/linux/netfilter/ipset/ip_set_compat.h.in   | 13 -------------
 kernel/include/linux/netfilter/ipset/ip_set_compiler.h.in | 15 +++++++++++++++
 kernel/net/netfilter/ipset/ip_set_core.c                  |  1 +
 4 files changed, 17 insertions(+), 14 deletions(-)
 create mode 100644 kernel/include/linux/netfilter/ipset/ip_set_compiler.h.in

(limited to 'kernel')

diff --git a/kernel/include/linux/jhash.h b/kernel/include/linux/jhash.h
index 8df77ec..d144e33 100644
--- a/kernel/include/linux/jhash.h
+++ b/kernel/include/linux/jhash.h
@@ -1,6 +1,6 @@
 #ifndef _LINUX_JHASH_H
 #define _LINUX_JHASH_H
-#include <linux/netfilter/ipset/ip_set_compat.h>
+#include <linux/netfilter/ipset/ip_set_compiler.h>
 
 /* jhash.h: Jenkins hash support.
  *
diff --git a/kernel/include/linux/netfilter/ipset/ip_set_compat.h.in b/kernel/include/linux/netfilter/ipset/ip_set_compat.h.in
index 8f00e6a..bf99bc0 100644
--- a/kernel/include/linux/netfilter/ipset/ip_set_compat.h.in
+++ b/kernel/include/linux/netfilter/ipset/ip_set_compat.h.in
@@ -519,18 +519,5 @@ static inline void *kvzalloc(size_t size, gfp_t flags)
 	return members;
 }
 #endif
-
-/* Compiler attributes */
-#ifndef __has_attribute
-# define __has_attribute(x) __GCC4_has_attribute_##x
-# define __GCC4_has_attribute___fallthrough__		0
-#endif
-
-#if __has_attribute(__fallthrough__)
-# define fallthrough			__attribute__((__fallthrough__))
-#else
-# define fallthrough			do {} while (0)  /* fallthrough */
-#endif
-
 #endif /* IP_SET_COMPAT_HEADERS */
 #endif /* __IP_SET_COMPAT_H */
diff --git a/kernel/include/linux/netfilter/ipset/ip_set_compiler.h.in b/kernel/include/linux/netfilter/ipset/ip_set_compiler.h.in
new file mode 100644
index 0000000..1b392f8
--- /dev/null
+++ b/kernel/include/linux/netfilter/ipset/ip_set_compiler.h.in
@@ -0,0 +1,15 @@
+#ifndef __IP_SET_COMPILER_H
+#define __IP_SET_COMPILER_H
+
+/* Compiler attributes */
+#ifndef __has_attribute
+# define __has_attribute(x) __GCC4_has_attribute_##x
+# define __GCC4_has_attribute___fallthrough__		0
+#endif
+
+#if __has_attribute(__fallthrough__)
+# define fallthrough			__attribute__((__fallthrough__))
+#else
+# define fallthrough			do {} while (0)  /* fallthrough */
+#endif
+#endif /* __IP_SET_COMPILER_H */
diff --git a/kernel/net/netfilter/ipset/ip_set_core.c b/kernel/net/netfilter/ipset/ip_set_core.c
index dcbc400..85961fc 100644
--- a/kernel/net/netfilter/ipset/ip_set_core.c
+++ b/kernel/net/netfilter/ipset/ip_set_core.c
@@ -21,6 +21,7 @@
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/ipset/ip_set.h>
+#include <linux/netfilter/ipset/ip_set_compiler.h>
 
 static LIST_HEAD(ip_set_type_list);		/* all registered set types */
 static DEFINE_MUTEX(ip_set_type_mutex);		/* protects ip_set_type_list */
-- 
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