[ Upstream commit 85554eb981e5a8b0b8947611193aef1737081ef2 ] This allows to change storage placement later on without changing readers. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Stable-dep-of: 28427f368f0e ("netfilter: nft_exthdr: Fix non-linear header modification") Signed-off-by: Sasha Levin <sashal@kernel.org>