build: remove support for Linux 2.6.39

INSTALL

@@ -14,7 +14,7 @@ Supported configurations for this release
 
 	* iptables >= 1.4.5
 
-	* kernel-devel >= 2.6.39
+	* kernel-devel >= 3.0
 	  with prepared build/output directory
 	  - CONFIG_NF_CONNTRACK or CONFIG_IP_NF_CONNTRACK
 	  - CONFIG_NF_CONNTRACK_MARK or CONFIG_IP_NF_CONNTRACK_MARK

configure.ac

@@ -65,9 +65,7 @@ if test -n "$kbuilddir"; then
 		echo "$kmajor.$kminor.$kmicro.$kstable in $kbuilddir";
 		if test "$kmajor" -gt 3 -o "$kmajor" -eq 3 -a "$kminor" -gt 6; then
 			echo "WARNING: That kernel version is not officially supported.";
-		elif test "$kmajor" -eq 3; then
-			:;
-		elif test "$kmajor" -eq 2 -a "$kminor" -eq 6 -a "$kmicro" -ge 39; then
+		elif test "$kmajor" -eq 3 -a "$kminor" -ge 0; then
 			:;
 		else
 			echo "WARNING: That kernel version is not officially supported.";

doc/changelog.txt

@@ -2,7 +2,7 @@
 HEAD
 ====
 Changes:
-- remove support for Linux 2.6.17–2.6.38
+- remove support for Linux 2.6.17–2.6.39
 - remove xt_TEE (this is available upstream since 2.6.35)
 - remove xt_CHECKSUM (this is available upstream since 2.6.36)
 

extensions/compat_xtables.h

@@ -8,8 +8,8 @@
 
 #define DEBUGP Use__pr_debug__instead
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)
-#	warning Kernels below 2.6.39 not supported.
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0)
+#	warning Kernels below 3.0 not supported.
 #endif
 
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)

extensions/xt_condition.c

@@ -150,9 +150,6 @@ static int condition_mt_check(const struct xt_mtchk_param *par)
 
 	var->refcount = 1;
 	var->enabled  = false;
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 29)
-	var->status_proc->owner = THIS_MODULE;
-#endif
 	var->status_proc->data  = var;
 	wmb();
 	var->status_proc->read_proc  = condition_proc_read;

extensions/xt_quota2.c

@@ -128,9 +128,6 @@ q2_get_counter(const struct xt_quota_mtinfo2 *q)
 	if (p == NULL || IS_ERR(p))
 		goto out;
 
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 29)
-	p->owner        = THIS_MODULE;
-#endif
 	p->data         = e;
 	p->read_proc    = quota_proc_read;
 	p->write_proc   = quota_proc_write;