diff options
| author | Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> | 2017-12-11 17:30:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-13 14:01:08 -0500 |
| commit | e971a9a09da356d1fc7be1d815a3a379590d2835 (patch) | |
| tree | 289c2790480eeae7b6abe6610143e0b649eee328 /drivers/net/ethernet/qualcomm | |
| parent | 8de721e21e202ceff3444e5c7abe7428a912a1f5 (diff) | |
| download | linux-e971a9a09da356d1fc7be1d815a3a379590d2835.tar.bz2 | |
net: qualcomm: rmnet: Allow only one rmnet dev per muxid per real dev
Upon de-multiplexing data from one real dev, the packets can be sent
to an unique rmnet device for a given mux id.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qualcomm')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index 9caa5e387450..5bb29f44d114 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -185,6 +185,9 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, if (ep->egress_dev) return -EINVAL; + if (rmnet_get_endpoint(port, id)) + return -EBUSY; + rc = register_netdevice(rmnet_dev); if (!rc) { ep->egress_dev = rmnet_dev; |