[PATCH net-next 1/7] devlink: Refactor devlink health reporter constructor

From: Moshe Shemesh
Date: Thu Jul 02 2020 - 11:09:49 EST


From: Vladyslav Tarasiuk <vladyslavt@xxxxxxxxxxxx>

Prepare a common routine in devlink_health_reporter_create() for usage
in similar functions for devlink port health reporters.

Signed-off-by: Vladyslav Tarasiuk <vladyslavt@xxxxxxxxxxxx>
Reviewed-by: Moshe Shemesh <moshe@xxxxxxxxxxxx>
Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxxxx>
---
net/core/devlink.c | 45 ++++++++++++++++++++++++++++-----------------
1 file changed, 28 insertions(+), 17 deletions(-)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index 6ae3680..dfd7fe2 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -5295,6 +5295,31 @@ struct devlink_health_reporter {
return NULL;
}

+static struct devlink_health_reporter *
+__devlink_health_reporter_create(struct devlink *devlink,
+ const struct devlink_health_reporter_ops *ops,
+ u64 graceful_period, void *priv)
+{
+ struct devlink_health_reporter *reporter;
+
+ if (WARN_ON(graceful_period && !ops->recover))
+ return ERR_PTR(-EINVAL);
+
+ reporter = kzalloc(sizeof(*reporter), GFP_KERNEL);
+ if (!reporter)
+ return ERR_PTR(-ENOMEM);
+
+ reporter->priv = priv;
+ reporter->ops = ops;
+ reporter->devlink = devlink;
+ reporter->graceful_period = graceful_period;
+ reporter->auto_recover = !!ops->recover;
+ reporter->auto_dump = !!ops->dump;
+ mutex_init(&reporter->dump_lock);
+ refcount_set(&reporter->refcount, 1);
+ return reporter;
+}
+
/**
* devlink_health_reporter_create - create devlink health reporter
*
@@ -5316,25 +5341,11 @@ struct devlink_health_reporter *
goto unlock;
}

- if (WARN_ON(graceful_period && !ops->recover)) {
- reporter = ERR_PTR(-EINVAL);
+ reporter = __devlink_health_reporter_create(devlink, ops,
+ graceful_period, priv);
+ if (IS_ERR(reporter))
goto unlock;
- }
-
- reporter = kzalloc(sizeof(*reporter), GFP_KERNEL);
- if (!reporter) {
- reporter = ERR_PTR(-ENOMEM);
- goto unlock;
- }

- reporter->priv = priv;
- reporter->ops = ops;
- reporter->devlink = devlink;
- reporter->graceful_period = graceful_period;
- reporter->auto_recover = !!ops->recover;
- reporter->auto_dump = !!ops->dump;
- mutex_init(&reporter->dump_lock);
- refcount_set(&reporter->refcount, 1);
list_add_tail(&reporter->list, &devlink->reporter_list);
unlock:
mutex_unlock(&devlink->reporters_lock);
--
1.8.3.1