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net: switchdev: ignore unsupported bridge flags

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switchdev_port_bridge_getlink() queries SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS
attributes, but a driver doesn't need to implement this in order to get
bridge link information.

So error out only on errors different than -EOPNOTSUPP.

(This is a follow-up patch for 7d4f8d8.)

Fixes: 8793d0a664 ("switchdev: add new switchdev_port_bridge_getlink")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2015-06-23 10:26:04 -04:00 committed by David S. Miller
parent bd049a90e5
commit 5c8079d049
1 changed files with 1 additions and 1 deletions
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2
net/switchdev/switchdev.c
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@ -532,7 +532,7 @@ int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
int err;
err = switchdev_port_attr_get(dev, &attr);
if (err)
if (err && err != -EOPNOTSUPP)
return err;
return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode,