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(parent: 1178f66) | patch
packet: less dev_put() calls
authorEric Dumazet <eric.dumazet@gmail.com>
Mon, 2 Nov 2009 09:43:32 +0000 (10:43 +0100)
committerDavid S. Miller <davem@davemloft.net>
Mon, 2 Nov 2009 11:41:29 +0000 (03:41 -0800)
commit654d1f8a019dfa06df8355248e1ce222f303b88d
treea3cc01a84509099099d88cc17bf5c0850355525atree | snapshot
parent1178f66eaea968d093cafd37c226ebeaa70d56cfcommit | diff
packet: less dev_put() calls

- packet_sendmsg_spkt() can use dev_get_by_name_rcu() to avoid touching device refcount.

- packet_getname_spkt() & packet_getname() can use dev_get_by_index_rcu() to
  avoid touching device refcount too.

tpacket_snd() & packet_snd() can not use RCU yet because they can sleep when
allocating skb.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/packet/af_packet.c diff | blob | history
Full containers within linux kernel