[PATCH net-next] switchdev: enforce no pvid flag in vlan ranges

[Nikolay Aleksandrov]

From: Nikolay Aleksandrov <niko...@cumulusnetworks.com>

We shouldn't allow BRIDGE_VLAN_INFO_PVID flag in VLAN ranges.

Signed-off-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
---
 net/switchdev/switchdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 6e4a4f9ad927..256c596de896 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -720,6 +720,9 @@ 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;
-- 
2.4.3

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