[Devel] [PATCH RHEL8 COMMIT] venetdev: drop src_lh/dst_lh lists from veip_struct

[Konstantin Khorenko]

The commit is pushed to "branch-rh8-4.18.0-240.1.1.vz8.5.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh8-4.18.0-240.1.1.vz8.5.40
------>
commit 39074cdf691380e0a1d8fcffeafcbb4f0e53ce70
Author: Konstantin Khorenko <khorenko at virtuozzo.com>
Date:   Fri Jun 11 15:08:00 2021 +0300

    venetdev: drop src_lh/dst_lh lists from veip_struct
    
    These lists were used for ip redirect, now it's not used,
    so drop redundant fields.
    
    Found during investigation of
    https://jira.sw.ru/browse/PSBM-90395
    
    Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>
    Reviewed-by: Kirill Tkhai <ktkhai at virtuozzo.com>
    
    (cherry-picked from vz7 commit 3986d04a5b7f ("venetdev: drop src_lh/dst_lh lists
    from veip_struct"))
    
    To_merge: 0a8795c36f83 ("drivers/net/ve: venet network device introduced")
    
    Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko at virtuozzo.com>
---
 drivers/net/venetdev.c | 6 ------
 include/linux/venet.h  | 2 --
 2 files changed, 8 deletions(-)

diff --git a/drivers/net/venetdev.c b/drivers/net/venetdev.c
index 9d898bcbc6db..412e18ff55e2 100644
--- a/drivers/net/venetdev.c
+++ b/drivers/net/venetdev.c
@@ -62,10 +62,6 @@ int veip_put(struct veip_struct *veip)
 {
 	if (!list_empty(&veip->ip_lh))
 		return 0;
-	if (!list_empty(&veip->src_lh))
-		return 0;
-	if (!list_empty(&veip->dst_lh))
-		return 0;
 
 	list_del(&veip->list);
 	call_rcu(&veip->rcu, veip_free);
@@ -196,8 +192,6 @@ struct veip_struct *veip_findcreate(envid_t veid)
 		return NULL;
 	memset(ptr, 0, sizeof(struct veip_struct));
 	INIT_LIST_HEAD(&ptr->ip_lh);
-	INIT_LIST_HEAD(&ptr->src_lh);
-	INIT_LIST_HEAD(&ptr->dst_lh);
 	INIT_LIST_HEAD(&ptr->ext_lh);
 	ptr->veid = veid;
 	list_add(&ptr->list, &veip_lh);
diff --git a/include/linux/venet.h b/include/linux/venet.h
index 651ce8f815ff..666bc314a56f 100644
--- a/include/linux/venet.h
+++ b/include/linux/venet.h
@@ -42,8 +42,6 @@ struct ext_entry_struct
 
 struct veip_struct
 {
-	struct list_head	src_lh;
-	struct list_head	dst_lh;
 	struct list_head	ip_lh;
 	struct list_head	list;
 	struct list_head	ext_lh;