From d360f5578c0eb32fbc5f06437ebe255124bf9fed Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Mon, 12 Feb 2018 14:43:20 +0100
Subject: [PATCH] build: remove support for Linux 3.9

---
 configure.ac                |  2 +-
 doc/changelog.txt           |  2 +-
 extensions/compat_xtables.h | 24 ++----------------------
 3 files changed, 4 insertions(+), 24 deletions(-)

diff --git a/configure.ac b/configure.ac
index 8aa9cd2..25ac9d4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,7 +61,7 @@ if test -n "$kbuilddir"; then
 			echo "WARNING: That kernel version is not officially supported yet. Continue at own luck.";
 		elif test "$kmajor" -eq 4 -a "$kminor" -le 10; then
 			:;
-		elif test "$kmajor" -eq 3 -a "$kminor" -ge 9; then
+		elif test "$kmajor" -eq 3 -a "$kminor" -ge 10; then
 			:;
 		else
 			echo "WARNING: That kernel version is not officially supported.";
diff --git a/doc/changelog.txt b/doc/changelog.txt
index 68e4b44..871f160 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -4,7 +4,7 @@ HEAD
 Enhancements:
 - support for Linux up to 4.15
 Changes:
-- remove support for Linux 3.7--3.8
+- remove support for Linux 3.7--3.9
 
 
 v2.14 (2017-11-22)
diff --git a/extensions/compat_xtables.h b/extensions/compat_xtables.h
index a96c550..b3fc710 100644
--- a/extensions/compat_xtables.h
+++ b/extensions/compat_xtables.h
@@ -8,8 +8,8 @@
 
 #define DEBUGP Use__pr_debug__instead
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)
-#	warning Kernels below 3.9 not supported.
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
+#	warning Kernels below 3.10 not supported.
 #endif
 
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
@@ -42,26 +42,6 @@
 #	define NIPQUAD_FMT "%hhu.%hhu.%hhu.%hhu"
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
-static inline void proc_set_user(struct proc_dir_entry *de,
-    typeof(de->uid) uid, typeof(de->gid) gid)
-{
-	de->uid = uid;
-	de->gid = gid;
-}
-
-static inline void *PDE_DATA(struct inode *inode)
-{
-	return PDE(inode)->data;
-}
-
-static inline void proc_remove(struct proc_dir_entry *de)
-{
-	if (de != NULL)
-		remove_proc_entry(de->name, de->parent);
-}
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0)
 #	define ip6_local_out(xnet, xsk, xskb) ip6_local_out(xskb)
 #	define ip6_route_me_harder(xnet, xskb) ip6_route_me_harder(xskb)