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Date:   Sun, 16 Aug 2020 17:32:03 +0800
From:   Xin Long <>
To:     network dev <>
Cc:, Jon Maloy <>,
        Ying Xue <>,,
        Randy Dunlap <>
Subject: [PATCH net] tipc: not enable tipc when ipv6 works as a module

When using ipv6_dev_find() in one module, it requires ipv6 not to
work as a module. Otherwise, this error occurs in build:

  undefined reference to `ipv6_dev_find'.

So fix it by adding "depends on IPV6 || IPV6=n" to tipc/Kconfig,
as it does in sctp/Kconfig.

Fixes: 5a6f6f579178 ("tipc: set ub->ifindex for local ipv6 address")
Reported-by: kernel test robot <>
Acked-by: Randy Dunlap <>
Signed-off-by: Xin Long <>
 net/tipc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/tipc/Kconfig b/net/tipc/Kconfig
index 9dd7802..be1c400 100644
--- a/net/tipc/Kconfig
+++ b/net/tipc/Kconfig
@@ -6,6 +6,7 @@
 menuconfig TIPC
 	tristate "The TIPC Protocol"
 	depends on INET
+	depends on IPV6 || IPV6=n
 	  The Transparent Inter Process Communication (TIPC) protocol is
 	  specially designed for intra cluster communication. This protocol

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