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linux/net/dsa
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Florian Fainelli 9f9e772da2 net: dsa: Initialize ds->cpu_port_mask earlier 
The mt7530 driver has its dsa_switch_ops::get_tag_protocol function
check ds->cpu_port_mask to issue a warning in case the configured CPU
port is not capable of supporting tags.

After commit 14be36c2c9 ("net: dsa: Initialize all CPU and enabled
ports masks in dsa_ds_parse()") we slightly re-arranged the
initialization such that this was no longer working. Just make sure that
ds->cpu_port_mask is set prior to the first call to get_tag_protocol,
thus restoring the expected contract. In case of error, the CPU port bit
is cleared.

Fixes: 14be36c2c9 ("net: dsa: Initialize all CPU and enabled ports masks in dsa_ds_parse()")
Reported-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24 17:36:27 -07:00
..
dsa2.c net: dsa: Initialize ds->cpu_port_mask earlier 2017-07-24 17:36:27 -07:00
dsa_priv.h net: dsa: Introduce dsa_get_cpu_port() 2017-06-13 16:35:03 -04:00
dsa.c net: dsa: Relocate master ethtool operations 2017-06-13 16:35:02 -04:00
Kconfig dsa: add support for Microchip KSZ tail tagging 2017-05-31 20:56:31 -04:00
legacy.c net: dsa: Fix legacy probing 2017-06-17 22:59:45 -04:00
Makefile dsa: add support for Microchip KSZ tail tagging 2017-05-31 20:56:31 -04:00
port.c net: dsa: support cross-chip ageing time 2017-05-24 16:27:47 -04:00
slave.c net: dsa: Introduce dsa_get_cpu_port() 2017-06-13 16:35:03 -04:00
switch.c net: dsa: add cross-chip multicast support 2017-06-16 15:21:14 -04:00
tag_brcm.c net: dsa: Introduce dsa_get_cpu_port() 2017-06-13 16:35:03 -04:00
tag_dsa.c net: dsa: factor skb freeing on xmit 2017-06-01 17:34:56 -04:00
tag_edsa.c net: dsa: factor skb freeing on xmit 2017-06-01 17:34:56 -04:00
tag_ksz.c net: dsa: Introduce dsa_get_cpu_port() 2017-06-13 16:35:03 -04:00
tag_lan9303.c net: dsa: factor skb freeing on xmit 2017-06-01 17:34:56 -04:00
tag_mtk.c net: dsa: factor skb freeing on xmit 2017-06-01 17:34:56 -04:00
tag_qca.c net: dsa: Introduce dsa_get_cpu_port() 2017-06-13 16:35:03 -04:00
tag_trailer.c net: manual clean code which call skb_put_[data:zero] 2017-06-20 13:30:15 -04:00