From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Tue, 14 Aug 2018 11:07:42 +0200
> When CONFIG_RDS_TCP is built-in and CONFIG_IPV6 is a loadable
> module, we get a link error agains the modular ipv6_chk_addr()
> function:
>
> net/rds/tcp.o: In function `rds_tcp_laddr_check':
> tcp.c:(.text+0x3b2): undefined reference to `ipv6_chk_addr'
>
> This adds back a dependency that forces RDS_TCP to also be
> a loadable module when IPV6 is one.
>
> Fixes: e65d4d96334e ("rds: Remove IPv6 dependency")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Applied.
