From f53dc9fbafa031de5e4cdfb7f73cf4bfa1ae0820 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@computergmbh.de>
Date: Wed, 30 Jan 2008 03:50:16 +0100
Subject: [PATCH] Add plural target (un)registration to compat glue

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
---
 extensions/compat_xtables.c | 25 +++++++++++++++++++++++++
 extensions/compat_xtables.h |  2 ++
 extensions/compat_xtnu.h    |  2 ++
 3 files changed, 29 insertions(+)

diff --git a/extensions/compat_xtables.c b/extensions/compat_xtables.c
index e095f95..fe94857 100644
--- a/extensions/compat_xtables.c
+++ b/extensions/compat_xtables.c
@@ -196,6 +196,23 @@ int xtnu_register_target(struct xtnu_target *nt)
 }
 EXPORT_SYMBOL_GPL(xtnu_register_target);
 
+int xtnu_register_targets(struct xtnu_target *nt, unsigned int num)
+{
+	unsigned int i;
+	int ret;
+
+	for (i = 0; i < num; ++i) {
+		ret = xtnu_register_target(&nt[i]);
+		if (ret < 0) {
+			if (i > 0)
+				xtnu_unregister_targets(nt, i);
+			return ret;
+		}
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(xtnu_register_targets);
+
 void xtnu_unregister_target(struct xtnu_target *nt)
 {
 	xt_unregister_target(nt->__compat_target);
@@ -203,6 +220,14 @@ void xtnu_unregister_target(struct xtnu_target *nt)
 }
 EXPORT_SYMBOL_GPL(xtnu_unregister_target);
 
+void xtnu_unregister_targets(struct xtnu_target *nt, unsigned int num)
+{
+	unsigned int i;
+
+	for (i = 0; i < num; ++i)
+		xtnu_unregister_target(&nt[i]);
+}
+EXPORT_SYMBOL_GPL(xtnu_unregister_targets);
 #endif
 
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 23)
diff --git a/extensions/compat_xtables.h b/extensions/compat_xtables.h
index ac3b3b5..c63bfc2 100644
--- a/extensions/compat_xtables.h
+++ b/extensions/compat_xtables.h
@@ -28,6 +28,8 @@
 #	define ip_route_me_harder    xtnu_ip_route_me_harder
 #	define xt_register_target    xtnu_register_target
 #	define xt_unregister_target  xtnu_unregister_target
+#	define xt_register_targets   xtnu_register_targets
+#	define xt_unregister_targets xtnu_unregister_targets
 #endif
 
 #include "compat_xtnu.h"
diff --git a/extensions/compat_xtnu.h b/extensions/compat_xtnu.h
index b7dabb1..64aeaa8 100644
--- a/extensions/compat_xtnu.h
+++ b/extensions/compat_xtnu.h
@@ -66,5 +66,7 @@ extern int xtnu_register_matches(struct xtnu_match *, unsigned int);
 extern void xtnu_unregister_matches(struct xtnu_match *, unsigned int);
 extern int xtnu_register_target(struct xtnu_target *);
 extern void xtnu_unregister_target(struct xtnu_target *);
+extern int xtnu_register_targets(struct xtnu_target *, unsigned int);
+extern void xtnu_unregister_targets(struct xtnu_target *, unsigned int);
 
 #endif /* _COMPAT_XTNU_H */