The commit 0a833c29d896 ("genetlink: fix genlmsg_nlhdr()") removed the family parameter for genl_dump_check_consistent. It is actually not needed because batman-adv doesn't use userspace headers and a dummy family with hdrsize 0 can be used for these kernel versions.
Signed-off-by: Sven Eckelmann sven@narfation.org --- compat-include/net/genetlink.h | 45 ++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 compat-include/net/genetlink.h
diff --git a/compat-include/net/genetlink.h b/compat-include/net/genetlink.h new file mode 100644 index 00000000..026500c3 --- /dev/null +++ b/compat-include/net/genetlink.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors: + * + * Marek Lindner, Simon Wunderlich + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see http://www.gnu.org/licenses/. + * + * This file contains macros for maintaining compatibility with older versions + * of the Linux kernel. + */ + +#ifndef _NET_BATMAN_ADV_COMPAT_NET_GENETLINK_H_ +#define _NET_BATMAN_ADV_COMPAT_NET_GENETLINK_H_ + +#include <linux/version.h> +#include_next <net/genetlink.h> + +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0) + +static inline +void batadv_genl_dump_check_consistent(struct netlink_callback *cb, + void *user_hdr) +{ + struct genl_family genl_family = { + .hdrsize = 0, + }; + + genl_dump_check_consistent(cb, user_hdr, &genl_family); +} + +#define genl_dump_check_consistent batadv_genl_dump_check_consistent + +#endif /* < KERNEL_VERSION(4, 15, 0) */ + +#endif /* _NET_BATMAN_ADV_COMPAT_NET_GENETLINK_H_ */