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authorNikolay Aleksandrov <nikolay@cumulusnetworks.com>2015-10-12 15:01:39 +0300
committerDavid S. Miller <davem@davemloft.net>2015-10-13 14:41:40 +0300
commitcc02aa8e41c50f690d0bb22ed5629468483421b7 (patch)
tree3c80c667e92619ba46b4f7d3a45709718ae4880b /net
parentf83665d0c41f3e24602f7dd03003574f852b326f (diff)
downloadlinux-cc02aa8e41c50f690d0bb22ed5629468483421b7.tar.xz
switchdev: enforce no pvid flag in vlan ranges
We shouldn't allow BRIDGE_VLAN_INFO_PVID flag in VLAN ranges. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Acked-by: Elad Raz <eladr@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/switchdev/switchdev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 7a9ab90363be..b8aaf820ef65 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -727,6 +727,9 @@ static int switchdev_port_br_afspec(struct net_device *dev,
if (vlan.vid_begin)
return -EINVAL;
vlan.vid_begin = vinfo->vid;
+ /* don't allow range of pvids */
+ if (vlan.flags & BRIDGE_VLAN_INFO_PVID)
+ return -EINVAL;
} else if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END) {
if (!vlan.vid_begin)
return -EINVAL;