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authorJianguo Wu <wujianguo@chinatelecom.cn>2024-06-21 10:41:13 +0800
committerPablo Neira Ayuso <pablo@netfilter.org>2024-06-24 16:02:50 +0200
commitaef5daa2c49d510436b733827d4f0bab79fcc4a0 (patch)
tree969238636f3a5f67dd25c2e0cdf8d7956eac647a
parent058722ee350c0bdd664e467156feb2bf5d9cc271 (diff)
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netfilter: fix undefined reference to 'netfilter_lwtunnel_*' when CONFIG_SYSCTL=n
if CONFIG_SYSFS is not enabled in config, we get the below compile error, All errors (new ones prefixed by >>): csky-linux-ld: net/netfilter/core.o: in function `netfilter_init': core.c:(.init.text+0x42): undefined reference to `netfilter_lwtunnel_init' >> csky-linux-ld: core.c:(.init.text+0x56): undefined reference to `netfilter_lwtunnel_fini' >> csky-linux-ld: core.c:(.init.text+0x70): undefined reference to `netfilter_lwtunnel_init' csky-linux-ld: core.c:(.init.text+0x78): undefined reference to `netfilter_lwtunnel_fini' Fixes: a2225e0250c5 ("netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core") Reported-by: Mirsad Todorovac <mtodorovac69@gmail.com> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202406210511.8vbByYj3-lkp@intel.com/ Closes: https://lore.kernel.org/oe-kbuild-all/202406210520.6HmrUaA2-lkp@intel.com/ Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
-rw-r--r--net/netfilter/nf_hooks_lwtunnel.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nf_hooks_lwtunnel.c b/net/netfilter/nf_hooks_lwtunnel.c
index 7cdb59bb4459..d8ebebc9775d 100644
--- a/net/netfilter/nf_hooks_lwtunnel.c
+++ b/net/netfilter/nf_hooks_lwtunnel.c
@@ -117,4 +117,7 @@ void netfilter_lwtunnel_fini(void)
{
unregister_pernet_subsys(&nf_lwtunnel_net_ops);
}
+#else
+int __init netfilter_lwtunnel_init(void) { return 0; }
+void netfilter_lwtunnel_fini(void) {}
#endif /* CONFIG_SYSCTL */