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tcf_match_indev() is called in fast path, it is not wise to search for a netdev by ifindex and then compare by its name, just compare the ifindex. Also, dev->name could be changed by user-space, therefore the match would be always fail, but dev->ifindex could be consistent. BTW, this will also save some bytes from the core struct of u32. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>