gro: remove rcu_read_lock/rcu_read_unlock from gro_receive handlers
[ Upstream commit fc1ca334 ] All gro_receive() handlers are called from dev_gro_receive() while rcu_read_lock() has been called. There is no point stacking more rcu_read_lock() Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Stable-dep-of: 7e419693 ("fou: Fix null-ptr-deref in GRO.") Signed-off-by: Sasha Levin <sashal@kernel.org>
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