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rds: fix building with IPV6=m

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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: e65d4d9633 ("rds: Remove IPv6 dependency")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2018-08-14 11:07:42 +02:00 committed by David S. Miller
parent 96d18d8254
commit f6f7a26abd
1 changed files with 1 additions and 0 deletions
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net/rds/Kconfig
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@ -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.