netdev - [patch net-next v3 13/15] net: devlink: warn on setting type on unregistered port

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Date:   Sun, 24 Mar 2019 11:14:36 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, mlxsw@...lanox.com, idosch@...lanox.com,
        jakub.kicinski@...ronome.com, f.fainelli@...il.com, andrew@...n.ch,
        vivien.didelot@...il.com
Subject: [patch net-next v3 13/15] net: devlink: warn on setting type on unregistered port

From: Jiri Pirko <jiri@...lanox.com>

Port needs to be registered first before the type is set. Warn and
bail-out in case it is not.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
v1->v2:
- new patch
---
 net/core/devlink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index f4dbd404688f..b771b00a52a0 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -5370,6 +5370,8 @@ static void __devlink_port_type_set(struct devlink_port *devlink_port,
 				    enum devlink_port_type type,
 				    void *type_dev)
 {
+	if (WARN_ON(!devlink_port->registered))
+		return;
 	devlink_port->type = type;
 	devlink_port->type_dev = type_dev;
 	devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW);
-- 
2.17.2