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2 commits

Author SHA1 Message Date
Duan Jiong 2b74e2caec net: em_canid: remove useless statements from em_canid_change 
tcf_ematch is allocated by kzalloc in function tcf_em_tree_validate(),
so cm_old is always NULL.

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-06-21 15:40:22 -07:00
Rostislav Lisovy f057bbb6f9 net: em_canid: Ematch rule to match CAN frames according to their identifiers 
This ematch makes it possible to classify CAN frames (AF_CAN) according
to their identifiers. This functionality can not be easily achieved with
existing classifiers, such as u32, because CAN identifier is always stored
in native endianness, whereas u32 expects Network byte order.

Signed-off-by: Rostislav Lisovy <lisovy@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
 2012-07-04 13:07:05 +02:00