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net: qrtr: Allow forwarded services

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A remote endpoint (immediate neighbors node) can forward services
from other nodes (non-immadiate), in that case ctrl packet node ID
(offering distant service) can differ from the qrtr source node
(forwarding the packet).

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Loic Poulain 2020-11-06 18:33:27 +01:00 committed by Jakub Kicinski
parent ae068f561b
commit 87f547c108
1 changed files with 0 additions and 8 deletions
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8
net/qrtr/ns.c
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@ -517,10 +517,6 @@ static int ctrl_cmd_new_server(struct sockaddr_qrtr *from,
port = from->sq_port;
}
/* Don't accept spoofed messages */
if (from->sq_node != node_id)
return -EINVAL;
srv = server_add(service, instance, node_id, port);
if (!srv)
return -EINVAL;
@ -559,10 +555,6 @@ static int ctrl_cmd_del_server(struct sockaddr_qrtr *from,
port = from->sq_port;
}
/* Don't accept spoofed messages */
if (from->sq_node != node_id)
return -EINVAL;
/* Local servers may only unregister themselves */
if (from->sq_node == qrtr_ns.local_node && from->sq_port != port)
return -EINVAL;