batman-adv: Drop unused compat patches
The minimal kernel version in OpenWrt is now Linux 5.10.111. It already provides various thing which needed special patches on older versions. Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Sven Eckelmann
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From: Sven Eckelmann <sven@narfation.org>
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Date: Sat, 24 Oct 2020 22:51:23 +0200
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Subject: Revert "batman-adv: genetlink: move to smaller ops wherever possible"
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The netlink genl_ops interface was splitted into two parts for Linux 5.10.
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The batman-adv code changed to the new one because it doesn't use the more
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complex policy handling of genl_ops. But the backports-5.8-1 version in
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OpenWrt doesn't yet support the new genl_small_ops.
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This patch must be dropped directly when OpenWrt switches to backports-5.10
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or newer - otherwise it will not work as expected.
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This reverts commit 725b4ef5be840cfcd0ca33b9393c14dee40c10f7.
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--- a/compat-include/net/genetlink.h
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+++ b/compat-include/net/genetlink.h
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@@ -31,17 +31,15 @@ void batadv_genl_dump_check_consistent(s
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#endif /* LINUX_VERSION_IS_LESS(4, 15, 0) */
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-#if LINUX_VERSION_IS_LESS(5, 10, 0)
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-
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#if LINUX_VERSION_IS_LESS(5, 2, 0)
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+
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enum genl_validate_flags {
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GENL_DONT_VALIDATE_STRICT = BIT(0),
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GENL_DONT_VALIDATE_DUMP = BIT(1),
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GENL_DONT_VALIDATE_DUMP_STRICT = BIT(2),
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};
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-#endif /* LINUX_VERSION_IS_LESS(5, 2, 0) */
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-struct batadv_genl_small_ops {
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+struct batadv_genl_ops {
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int (*doit)(struct sk_buff *skb,
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struct genl_info *info);
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int (*dumpit)(struct sk_buff *skb,
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@@ -70,9 +68,9 @@ struct batadv_genl_family {
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struct genl_info *info);
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void (*post_doit)(const struct genl_ops *ops, struct sk_buff *skb,
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struct genl_info *info);
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- const struct batadv_genl_small_ops *small_ops;
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+ const struct batadv_genl_ops *ops;
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const struct genl_multicast_group *mcgrps;
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- unsigned int n_small_ops;
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+ unsigned int n_ops;
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unsigned int n_mcgrps;
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struct module *module;
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@@ -96,32 +94,24 @@ static inline int batadv_genl_register_f
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family->family.pre_doit = family->pre_doit;
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family->family.post_doit = family->post_doit;
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family->family.mcgrps = family->mcgrps;
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- family->family.n_ops = family->n_small_ops;
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+ family->family.n_ops = family->n_ops;
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family->family.n_mcgrps = family->n_mcgrps;
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family->family.module = family->module;
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- ops = kzalloc(sizeof(*ops) * family->n_small_ops, GFP_KERNEL);
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+ ops = kzalloc(sizeof(*ops) * family->n_ops, GFP_KERNEL);
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if (!ops)
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return -ENOMEM;
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for (i = 0; i < family->family.n_ops; i++) {
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- ops[i].doit = family->small_ops[i].doit;
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- ops[i].dumpit = family->small_ops[i].dumpit;
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- ops[i].done = family->small_ops[i].done;
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- ops[i].cmd = family->small_ops[i].cmd;
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- ops[i].internal_flags = family->small_ops[i].internal_flags;
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- ops[i].flags = family->small_ops[i].flags;
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-#if LINUX_VERSION_IS_GEQ(5, 2, 0)
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- ops[i].validate = family->small_ops[i].validate;
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-#else
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+ ops[i].doit = family->ops[i].doit;
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+ ops[i].dumpit = family->ops[i].dumpit;
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+ ops[i].done = family->ops[i].done;
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+ ops[i].cmd = family->ops[i].cmd;
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+ ops[i].internal_flags = family->ops[i].internal_flags;
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+ ops[i].flags = family->ops[i].flags;
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ops[i].policy = family->policy;
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-#endif
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}
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-#if LINUX_VERSION_IS_GEQ(5, 2, 0)
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- family->family.policy = family->policy;
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-#endif
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-
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family->family.ops = ops;
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family->copy_ops = ops;
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@@ -136,7 +126,7 @@ typedef struct genl_ops batadv_genl_ops_
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#define batadv_post_doit(__x, __y, __z) \
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batadv_post_doit(const batadv_genl_ops_old *ops, __y, __z)
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-#define genl_small_ops batadv_genl_small_ops
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+#define genl_ops batadv_genl_ops
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#define genl_family batadv_genl_family
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#define genl_register_family(family) \
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@@ -160,6 +150,6 @@ batadv_genl_unregister_family(struct bat
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genlmsg_multicast_netns(&(_family)->family, _net, _skb, _portid, \
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_group, _flags)
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-#endif /* LINUX_VERSION_IS_LESS(5, 10, 0) */
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+#endif /* LINUX_VERSION_IS_LESS(5, 2, 0) */
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#endif /* _NET_BATMAN_ADV_COMPAT_NET_GENETLINK_H_ */
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--- a/net/batman-adv/netlink.c
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+++ b/net/batman-adv/netlink.c
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@@ -1357,7 +1357,7 @@ static void batadv_post_doit(const struc
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}
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}
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-static const struct genl_small_ops batadv_netlink_ops[] = {
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+static const struct genl_ops batadv_netlink_ops[] = {
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{
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.cmd = BATADV_CMD_GET_MESH,
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.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
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@@ -1491,8 +1491,8 @@ struct genl_family batadv_netlink_family
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.pre_doit = batadv_pre_doit,
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.post_doit = batadv_post_doit,
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.module = THIS_MODULE,
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- .small_ops = batadv_netlink_ops,
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- .n_small_ops = ARRAY_SIZE(batadv_netlink_ops),
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+ .ops = batadv_netlink_ops,
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+ .n_ops = ARRAY_SIZE(batadv_netlink_ops),
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.mcgrps = batadv_netlink_mcgrps,
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.n_mcgrps = ARRAY_SIZE(batadv_netlink_mcgrps),
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};
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@ -1,116 +0,0 @@
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From: Sven Eckelmann <sven@narfation.org>
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Date: Thu, 28 Jan 2021 21:06:51 +0100
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Subject: Revert "batman-adv: Add new include for min/max helpers"
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The OpenWrt kernel sources and backports sources are currently missing this
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header.
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This reverts commit 1810de05310d5c5e9140f870ac21052f38bc06b8.
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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--- a/compat-include/linux/minmax.h
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+++ /dev/null
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@@ -1,20 +0,0 @@
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-/* SPDX-License-Identifier: GPL-2.0 */
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-/* Copyright (C) B.A.T.M.A.N. contributors:
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- *
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- * Marek Lindner, Simon Wunderlich
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- *
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- * This file contains macros for maintaining compatibility with older versions
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- * of the Linux kernel.
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- */
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-
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-#ifndef _NET_BATMAN_ADV_COMPAT_LINUX_MINMAX_H_
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-#define _NET_BATMAN_ADV_COMPAT_LINUX_MINMAX_H_
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-
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-#include <linux/version.h>
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-#if LINUX_VERSION_IS_GEQ(5, 10, 0)
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-#include_next <linux/minmax.h>
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-#else
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-#include <linux/kernel.h>
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-#endif
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-
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-#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_MINMAX_H_ */
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--- a/net/batman-adv/bat_v.c
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+++ b/net/batman-adv/bat_v.c
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@@ -15,7 +15,6 @@
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#include <linux/jiffies.h>
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#include <linux/kref.h>
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#include <linux/list.h>
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-#include <linux/minmax.h>
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#include <linux/netdevice.h>
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#include <linux/netlink.h>
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#include <linux/rculist.h>
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--- a/net/batman-adv/bat_v_elp.c
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+++ b/net/batman-adv/bat_v_elp.c
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@@ -18,7 +18,6 @@
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#include <linux/jiffies.h>
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#include <linux/kernel.h>
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#include <linux/kref.h>
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-#include <linux/minmax.h>
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#include <linux/netdevice.h>
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#include <linux/nl80211.h>
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#include <linux/prandom.h>
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--- a/net/batman-adv/bat_v_ogm.c
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+++ b/net/batman-adv/bat_v_ogm.c
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@@ -18,7 +18,6 @@
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#include <linux/kref.h>
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#include <linux/list.h>
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#include <linux/lockdep.h>
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-#include <linux/minmax.h>
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#include <linux/mutex.h>
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#include <linux/netdevice.h>
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#include <linux/prandom.h>
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--- a/net/batman-adv/fragmentation.c
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+++ b/net/batman-adv/fragmentation.c
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@@ -14,8 +14,8 @@
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#include <linux/gfp.h>
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#include <linux/if_ether.h>
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#include <linux/jiffies.h>
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+#include <linux/kernel.h>
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#include <linux/lockdep.h>
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-#include <linux/minmax.h>
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#include <linux/netdevice.h>
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#include <linux/skbuff.h>
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#include <linux/slab.h>
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--- a/net/batman-adv/hard-interface.c
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+++ b/net/batman-adv/hard-interface.c
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@@ -17,7 +17,6 @@
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#include <linux/kref.h>
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#include <linux/limits.h>
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#include <linux/list.h>
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-#include <linux/minmax.h>
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#include <linux/mutex.h>
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#include <linux/netdevice.h>
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#include <linux/printk.h>
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--- a/net/batman-adv/main.c
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+++ b/net/batman-adv/main.c
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@@ -23,7 +23,6 @@
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#include <linux/kobject.h>
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#include <linux/kref.h>
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#include <linux/list.h>
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-#include <linux/minmax.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/printk.h>
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--- a/net/batman-adv/netlink.c
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+++ b/net/batman-adv/netlink.c
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@@ -23,7 +23,6 @@
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#include <linux/kernel.h>
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#include <linux/limits.h>
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#include <linux/list.h>
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-#include <linux/minmax.h>
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#include <linux/netdevice.h>
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#include <linux/netlink.h>
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#include <linux/printk.h>
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--- a/net/batman-adv/tp_meter.c
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+++ b/net/batman-adv/tp_meter.c
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@@ -23,7 +23,6 @@
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#include <linux/kthread.h>
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#include <linux/limits.h>
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#include <linux/list.h>
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-#include <linux/minmax.h>
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#include <linux/netdevice.h>
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#include <linux/param.h>
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#include <linux/printk.h>
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