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SubjectRe: [PATCH] rds: fix building with IPV6=m
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On 8/14/2018 2:07 AM, Arnd Bergmann wrote:
> 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@arndb.de>
> ---
> net/rds/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/rds/Kconfig b/net/rds/Kconfig
> index 41f75563b54b..01b3bd6a3708 100644
> --- a/net/rds/Kconfig
> +++ b/net/rds/Kconfig
> @@ -16,6 +16,7 @@ config RDS_RDMA
> config RDS_TCP
> tristate "RDS over TCP"
> depends on RDS
> + depends on IPV6 || !IPV6
> ---help---
> Allow RDS to use TCP as a transport.
> This transport does not support RDMA operations.
>
Its weird depends on but probably ok since we get to module
to be enabled with or without IPV6.

Thanks for the patch Arnd !!

Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>

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