netdev - [PATCH RESEND net-next 04/10] devlink: Create a helper function for one parameter registration

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Date:   Tue, 10 Aug 2021 16:24:18 +0300
From:   Parav Pandit <parav@...dia.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <netdev@...r.kernel.org>
CC:     <linux-rdma@...r.kernel.org>,
        <virtualization@...ts.linux-foundation.org>,
        Parav Pandit <parav@...dia.com>, Jiri Pirko <jiri@...dia.com>,
        "Leon Romanovsky" <leonro@...dia.com>
Subject: [PATCH RESEND net-next 04/10] devlink: Create a helper function for one parameter registration

Create and use a helper function for one parameter registration.
Subsequent patch also will reuse this for driver facing routine to
register a single parameter.

Signed-off-by: Parav Pandit <parav@...dia.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
Reviewed-by: Leon Romanovsky <leonro@...dia.com>
---
 net/core/devlink.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index 867ae7e39788..050dd7271a45 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -9800,6 +9800,22 @@ static int devlink_param_verify(const struct devlink_param *param)
 		return devlink_param_driver_verify(param);
 }
 
+static int __devlink_param_register_one(struct devlink *devlink,
+					unsigned int port_index,
+					struct list_head *param_list,
+					const struct devlink_param *param,
+					enum devlink_command reg_cmd)
+{
+	int err;
+
+	err = devlink_param_verify(param);
+	if (err)
+		return err;
+
+	return devlink_param_register_one(devlink, port_index,
+					  param_list, param, reg_cmd);
+}
+
 static int __devlink_params_register(struct devlink *devlink,
 				     unsigned int port_index,
 				     struct list_head *param_list,
@@ -9814,12 +9830,8 @@ static int __devlink_params_register(struct devlink *devlink,
 
 	mutex_lock(&devlink->lock);
 	for (i = 0; i < params_count; i++, param++) {
-		err = devlink_param_verify(param);
-		if (err)
-			goto rollback;
-
-		err = devlink_param_register_one(devlink, port_index,
-						 param_list, param, reg_cmd);
+		err = __devlink_param_register_one(devlink, port_index,
+						   param_list, param, reg_cmd);
 		if (err)
 			goto rollback;
 	}
-- 
2.26.2