From: Arkadi Sharshevsky <arkadis@mellanox.com>
Date: Thu, 24 Aug 2017 08:40:03 +0200
Subject: devlink: Move dpipe entry clear function into devlink
Patch-mainline: v4.14-rc1
Git-commit: 3580732448f128c39e7325912bc4368ade5dce7d
References: bsc#1112374

The entry clear routine can be shared between the drivers, thus it is
moved inside devlink.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c |   24 +------------------
 include/net/devlink.h                                |    6 ++++
 net/core/devlink.c                                   |   22 +++++++++++++++++
 3 files changed, 30 insertions(+), 22 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
@@ -114,26 +114,6 @@ static int mlxsw_sp_dpipe_table_erif_mat
 	return devlink_dpipe_match_put(skb, &match);
 }
 
-static void mlxsw_sp_erif_entry_clear(struct devlink_dpipe_entry *entry)
-{
-	unsigned int value_count, value_index;
-	struct devlink_dpipe_value *value;
-
-	value = entry->action_values;
-	value_count = entry->action_values_count;
-	for (value_index = 0; value_index < value_count; value_index++) {
-		kfree(value[value_index].value);
-		kfree(value[value_index].mask);
-	}
-
-	value = entry->match_values;
-	value_count = entry->match_values_count;
-	for (value_index = 0; value_index < value_count; value_index++) {
-		kfree(value[value_index].value);
-		kfree(value[value_index].mask);
-	}
-}
-
 static void
 mlxsw_sp_erif_match_action_prepare(struct devlink_dpipe_match *match,
 				   struct devlink_dpipe_action *action)
@@ -270,12 +250,12 @@ start_again:
 		goto start_again;
 	rtnl_unlock();
 
-	mlxsw_sp_erif_entry_clear(&entry);
+	devlink_dpipe_entry_clear(&entry);
 	return 0;
 err_entry_append:
 err_entry_get:
 	rtnl_unlock();
-	mlxsw_sp_erif_entry_clear(&entry);
+	devlink_dpipe_entry_clear(&entry);
 	return err;
 }
 
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -323,6 +323,7 @@ int devlink_dpipe_entry_ctx_prepare(stru
 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
 				   struct devlink_dpipe_entry *entry);
 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
+void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
 int devlink_dpipe_action_put(struct sk_buff *skb,
 			     struct devlink_dpipe_action *action);
 int devlink_dpipe_match_put(struct sk_buff *skb,
@@ -446,6 +447,11 @@ devlink_dpipe_entry_ctx_close(struct dev
 	return 0;
 }
 
+static inline void
+devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry)
+{
+}
+
 static inline int
 devlink_dpipe_action_put(struct sk_buff *skb,
 			 struct devlink_dpipe_action *action)
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -1962,6 +1962,28 @@ int devlink_dpipe_entry_ctx_close(struct
 }
 EXPORT_SYMBOL_GPL(devlink_dpipe_entry_ctx_close);
 
+void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry)
+
+{
+	unsigned int value_count, value_index;
+	struct devlink_dpipe_value *value;
+
+	value = entry->action_values;
+	value_count = entry->action_values_count;
+	for (value_index = 0; value_index < value_count; value_index++) {
+		kfree(value[value_index].value);
+		kfree(value[value_index].mask);
+	}
+
+	value = entry->match_values;
+	value_count = entry->match_values_count;
+	for (value_index = 0; value_index < value_count; value_index++) {
+		kfree(value[value_index].value);
+		kfree(value[value_index].mask);
+	}
+}
+EXPORT_SYMBOL(devlink_dpipe_entry_clear);
+
 static int devlink_dpipe_entries_fill(struct genl_info *info,
 				      enum devlink_command cmd, int flags,
 				      struct devlink_dpipe_table *table)