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net: qualcomm: rmnet: Allow only one rmnet dev per muxid per real dev

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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>
This commit is contained in:
Subash Abhinov Kasiviswanathan 2017-12-11 17:30:12 -07:00 committed by David S. Miller
parent 8de721e21e
commit e971a9a09d
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
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@ -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;