1. 19 1月, 2017 1 次提交
    • T
      net: Remove usage of net_device last_rx member · 4a7c9726
      Tobias Klauser 提交于
      The network stack no longer uses the last_rx member of struct net_device
      since the bonding driver switched to use its own private last_rx in
      commit 9f242738 ("bonding: use last_arp_rx in slave_last_rx()").
      
      However, some drivers still (ab)use the field for their own purposes and
      some driver just update it without actually using it.
      
      Previously, there was an accompanying comment for the last_rx member
      added in commit 4dc89133 ("net: add a comment on netdev->last_rx")
      which asked drivers not to update is, unless really needed. However,
      this commend was removed in commit f8ff080d ("bonding: remove
      useless updating of slave->dev->last_rx"), so some drivers added later
      on still did update last_rx.
      
      Remove all usage of last_rx and switch three drivers (sky2, atp and
      smc91c92_cs) which actually read and write it to use their own private
      copy in netdev_priv.
      
      Compile-tested with allyesconfig and allmodconfig on x86 and arm.
      
      Cc: Eric Dumazet <eric.dumazet@gmail.com>
      Cc: Jay Vosburgh <j.vosburgh@gmail.com>
      Cc: Veaceslav Falico <vfalico@gmail.com>
      Cc: Andy Gospodarek <andy@greyhouse.net>
      Cc: Mirko Lindner <mlindner@marvell.com>
      Cc: Stephen Hemminger <stephen@networkplumber.org>
      Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
      Acked-by: NEric Dumazet <edumazet@google.com>
      Reviewed-by: NJay Vosburgh <jay.vosburgh@canonical.com>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      4a7c9726
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