Re: [PATCH net-next 2/3] ipv6: add ip6_dst_lookup_flow_cookie

[Jakub Kicinski <kuba@kernel.org>]

On Wed,  4 Nov 2026 16:53:30 +0100 Ralf Lici wrote:
> +/**
> + *	ip6_dst_lookup_flow_cookie - perform route lookup on flow with ipsec
> + *				     and return the matching dst cookie
> + *	@net: Network namespace to perform lookup in
> + *	@sk: socket which provides route info
> + *	@fl6: flow to lookup
> + *	@final_dst: final destination address for ipsec lookup
> + *	@cookie: where to store the cookie for the returned dst
> + *
> + *	Same as ip6_dst_lookup_flow(), but also returns the cookie describing
> + *	the routing state the dst was obtained from. A caller caching the dst
> + *	should use this cookie when validating it with dst_check(). If the
> + *	IPv6 FIB changed during the lookup, a route dst no longer validates
> + *	with it. An xfrm bundle is validated by xfrm and ignores the cookie.
> + *
> + *	It returns a valid dst pointer on success, or a pointer encoded
> + *	error code.

Warning: net/ipv6/ip6_output.c:1325 No description found for return value of 'ip6_dst_lookup_flow_cookie'

You need to use the appropriate keyword (Return: or Returns:)
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