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authorScott Feldman <sfeldma@gmail.com>2015-10-08 19:23:18 -0700
committerDavid S. Miller <davem@davemloft.net>2015-10-12 05:20:20 -0700
commit464314ea6c119ebc22ee78453e63814453c31611 (patch)
tree1b9a19c0d09caebaaf372e194ab36be84f10a84d /net/switchdev
parentf55ac58ae64cbb0315382e738681fe31837dcac0 (diff)
downloadlwn-464314ea6c119ebc22ee78453e63814453c31611.tar.gz
lwn-464314ea6c119ebc22ee78453e63814453c31611.zip
switchdev: skip over ports returning -EOPNOTSUPP when recursing ports
This allows us to recurse over all the ports, skipping over unsupporting ports. Without the change, the recursion would stop at first unsupported port. Signed-off-by: Scott Feldman <sfeldma@gmail.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/switchdev')
-rw-r--r--net/switchdev/switchdev.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 6e4a4f9ad927..7a9ab90363be 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -147,7 +147,7 @@ static int __switchdev_port_attr_set(struct net_device *dev,
return ops->switchdev_port_attr_set(dev, attr, trans);
if (attr->flags & SWITCHDEV_F_NO_RECURSE)
- return err;
+ goto done;
/* Switch device port(s) may be stacked under
* bond/team/vlan dev, so recurse down to set attr on
@@ -156,10 +156,17 @@ static int __switchdev_port_attr_set(struct net_device *dev,
netdev_for_each_lower_dev(dev, lower_dev, iter) {
err = __switchdev_port_attr_set(lower_dev, attr, trans);
+ if (err == -EOPNOTSUPP &&
+ attr->flags & SWITCHDEV_F_SKIP_EOPNOTSUPP)
+ continue;
if (err)
break;
}
+done:
+ if (err == -EOPNOTSUPP && attr->flags & SWITCHDEV_F_SKIP_EOPNOTSUPP)
+ err = 0;
+
return err;
}