6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> [ Upstream commit 93c21077bb9ba08807c459982d440dbbee4c7af3 ] The rpl sr tunnel code contains calls to dst_cache_*() which are only present when the dst cache is built. Select DST_CACHE to build the dst cache, similar to other kconfig options in the same file. Compiling the rpl sr tunnel without DST_CACHE will lead to linker errors. Fixes: a7a29f9c361f ("net: ipv6: add rpl sr tunnel") Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> Reviewed-by: Simon Horman <horms@xxxxxxxxxx> Tested-by: Simon Horman <horms@xxxxxxxxxx> # build-tested Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- net/ipv6/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index 08d4b7132d4c4..1c9c686d9522f 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -323,6 +323,7 @@ config IPV6_RPL_LWTUNNEL bool "IPv6: RPL Source Routing Header support" depends on IPV6 select LWTUNNEL + select DST_CACHE help Support for RFC6554 RPL Source Routing Header using the lightweight tunnels mechanism. -- 2.43.0