devlink: don't use strcpy() to copy param value

No need to treat string params any different comparing to other types.
Rely on the struct assign to copy the whole struct, including the
string.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/devlink/leftover.c

@@ -4387,10 +4387,7 @@ static int __devlink_nl_cmd_param_set_doit(struct devlink *devlink,
 		return -EOPNOTSUPP;
 
 	if (cmode == DEVLINK_PARAM_CMODE_DRIVERINIT) {
-		if (param->type == DEVLINK_PARAM_TYPE_STRING)
-			strcpy(param_item->driverinit_value.vstr, value.vstr);
-		else
-			param_item->driverinit_value = value;
+		param_item->driverinit_value = value;
 		param_item->driverinit_value_valid = true;
 	} else {
 		if (!param->set)
@@ -9655,10 +9652,7 @@ int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
 						      DEVLINK_PARAM_CMODE_DRIVERINIT)))
 		return -EOPNOTSUPP;
 
-	if (param_item->param->type == DEVLINK_PARAM_TYPE_STRING)
-		strcpy(init_val->vstr, param_item->driverinit_value.vstr);
-	else
-		*init_val = param_item->driverinit_value;
+	*init_val = param_item->driverinit_value;
 
 	return 0;
 }
@@ -9689,10 +9683,7 @@ void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
 						      DEVLINK_PARAM_CMODE_DRIVERINIT)))
 		return;
 
-	if (param_item->param->type == DEVLINK_PARAM_TYPE_STRING)
-		strcpy(param_item->driverinit_value.vstr, init_val.vstr);
-	else
-		param_item->driverinit_value = init_val;
+	param_item->driverinit_value = init_val;
 	param_item->driverinit_value_valid = true;
 
 	devlink_param_notify(devlink, 0, param_item, DEVLINK_CMD_PARAM_NEW);