Re: [PATCH] ipv6: ila: select CONFIG_DST_CACHE

[David Miller]

From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Wed, 18 Jul 2018 10:48:56 +0200

> My randconfig builds came across an old missing dependency for ILA:
> 
> ERROR: "dst_cache_set_ip6" [net/ipv6/ila/ila.ko] undefined!
> ERROR: "dst_cache_get" [net/ipv6/ila/ila.ko] undefined!
> ERROR: "dst_cache_init" [net/ipv6/ila/ila.ko] undefined!
> ERROR: "dst_cache_destroy" [net/ipv6/ila/ila.ko] undefined!
> 
> We almost never run into this by accident because randconfig builds
> end up selecting DST_CACHE from some other tunnel protocol, and this
> one appears to be the only one missing the explicit 'select'.
> 
> From all I can tell, this problem first appeared in linux-4.9
> when dst_cache support got added to ILA.
> 
> Fixes: 79ff2fc31e0f ("ila: Cache a route to translated address")
> Cc: Tom Herbert <tom@xxxxxxxxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Applied, thanks Arnd.