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Date:   Fri,  3 Jul 2020 06:27:34 +0300
From:   Moshe Shemesh <moshe@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     Jiri Pirko <jiri@...lanox.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vladyslav Tarasiuk <vladyslavt@...lanox.com>
Subject: [PATCH net-next v2 3/7] devlink: Create generic devlink health reporter search function

From: Vladyslav Tarasiuk <vladyslavt@...lanox.com>

Add a generic __devlink_health_reporter_find_by_name() that can be used
with arbitrary devlink health reporter list.

Signed-off-by: Vladyslav Tarasiuk <vladyslavt@...lanox.com>
Reviewed-by: Moshe Shemesh <moshe@...lanox.com>
Reviewed-by: Jiri Pirko <jiri@...lanox.com>
---
 net/core/devlink.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index dcf8006..98e6911 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -5283,19 +5283,29 @@ struct devlink_health_reporter {
 EXPORT_SYMBOL_GPL(devlink_health_reporter_priv);
 
 static struct devlink_health_reporter *
-devlink_health_reporter_find_by_name(struct devlink *devlink,
-				     const char *reporter_name)
+__devlink_health_reporter_find_by_name(struct list_head *reporter_list,
+				       struct mutex *list_lock,
+				       const char *reporter_name)
 {
 	struct devlink_health_reporter *reporter;
 
-	lockdep_assert_held(&devlink->reporters_lock);
-	list_for_each_entry(reporter, &devlink->reporter_list, list)
+	lockdep_assert_held(list_lock);
+	list_for_each_entry(reporter, reporter_list, list)
 		if (!strcmp(reporter->ops->name, reporter_name))
 			return reporter;
 	return NULL;
 }
 
 static struct devlink_health_reporter *
+devlink_health_reporter_find_by_name(struct devlink *devlink,
+				     const char *reporter_name)
+{
+	return __devlink_health_reporter_find_by_name(&devlink->reporter_list,
+						      &devlink->reporters_lock,
+						      reporter_name);
+}
+
+static struct devlink_health_reporter *
 __devlink_health_reporter_create(struct devlink *devlink,
 				 const struct devlink_health_reporter_ops *ops,
 				 u64 graceful_period, void *priv)
-- 
1.8.3.1

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