netdev - [patch net-next] devlink: send notifications for deleted snapshots on region destroy

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Message-Id: <20190812122831.1833-1-jiri@resnulli.us>
Date:   Mon, 12 Aug 2019 14:28:31 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, mlxsw@...lanox.com
Subject: [patch net-next] devlink: send notifications for deleted snapshots on region destroy

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

Currently the notifications for deleted snapshots are sent only in case
user deletes a snapshot manually. Send the notifications in case region
is destroyed too.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 net/core/devlink.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index aba2d45f9087..d33284ac3e7c 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -379,14 +379,6 @@ devlink_region_snapshot_get_by_id(struct devlink_region *region, u32 id)
 	return NULL;
 }
 
-static void devlink_region_snapshot_del(struct devlink_snapshot *snapshot)
-{
-	snapshot->region->cur_snapshots--;
-	list_del(&snapshot->list);
-	(*snapshot->data_destructor)(snapshot->data);
-	kfree(snapshot);
-}
-
 #define DEVLINK_NL_FLAG_NEED_DEVLINK	BIT(0)
 #define DEVLINK_NL_FLAG_NEED_PORT	BIT(1)
 #define DEVLINK_NL_FLAG_NEED_SB		BIT(2)
@@ -3677,6 +3669,16 @@ static void devlink_nl_region_notify(struct devlink_region *region,
 	nlmsg_free(msg);
 }
 
+static void devlink_region_snapshot_del(struct devlink_region *region,
+					struct devlink_snapshot *snapshot)
+{
+	devlink_nl_region_notify(region, snapshot, DEVLINK_CMD_REGION_DEL);
+	region->cur_snapshots--;
+	list_del(&snapshot->list);
+	(*snapshot->data_destructor)(snapshot->data);
+	kfree(snapshot);
+}
+
 static int devlink_nl_cmd_region_get_doit(struct sk_buff *skb,
 					  struct genl_info *info)
 {
@@ -3772,8 +3774,7 @@ static int devlink_nl_cmd_region_del(struct sk_buff *skb,
 	if (!snapshot)
 		return -EINVAL;
 
-	devlink_nl_region_notify(region, snapshot, DEVLINK_CMD_REGION_DEL);
-	devlink_region_snapshot_del(snapshot);
+	devlink_region_snapshot_del(region, snapshot);
 	return 0;
 }
 
@@ -6836,7 +6837,7 @@ void devlink_region_destroy(struct devlink_region *region)
 
 	/* Free all snapshots of region */
 	list_for_each_entry_safe(snapshot, ts, &region->snapshot_list, list)
-		devlink_region_snapshot_del(snapshot);
+		devlink_region_snapshot_del(region, snapshot);
 
 	list_del(&region->list);
 
-- 
2.21.0