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authorWillem de Bruijn <willemb@google.com>2017-09-22 19:42:37 -0400
committerDavid S. Miller <davem@davemloft.net>2017-09-22 20:31:29 -0700
commit581fe0ea61584d88072527ae9fb9dcb9d1f2783e (patch)
tree3e4d6f6ea3397283ab12445eb369ebb5ee4c006b /Documentation/networking
parentb9b95da92de9d498ece7e6a82e2d6dcfc76fd9d8 (diff)
downloadlinux-581fe0ea61584d88072527ae9fb9dcb9d1f2783e.tar.bz2
net: orphan frags on stand-alone ptype in dev_queue_xmit_nit
Zerocopy skbs frags are copied when the skb is looped to a local sock. Commit 1080e512d44d ("net: orphan frags on receive") introduced calls to skb_orphan_frags to deliver_skb and __netif_receive_skb for this. With msg_zerocopy, these skbs can also exist in the tx path and thus loop from dev_queue_xmit_nit. This already calls deliver_skb in its loop. But it does not orphan before a separate pt_prev->func(). Add the missing skb_orphan_frags_rx. Changes v1->v2: handle skb_orphan_frags_rx failure Fixes: 1f8b977ab32d ("sock: enable MSG_ZEROCOPY") Signed-off-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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