net: ethernet: use ip_hdrlen() instead of bit shift
[ Upstream commit 9a039eeb71a42c8b13408a1976e300f3898e1be0 ] `ip_hdr(skb)->ihl << 2` is the same as `ip_hdrlen(skb)` Therefore, we should use a well-defined function not a bit shift to find the header length. It also compresses two lines to a single line. Signed-off-by:Moon Yeounsu <yyyynoom@gmail.com> Reviewed-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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