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net: netpoll: remove unused netpoll pointer from netpoll_info 

The netpoll_info structure contains an useless pointer back to its
associated netpoll. This field is never used, and the assignment in
__netpoll_setup() is does not comtemplate multiple instances, as
reported by Jay[1].

Drop both the member and its initialization to simplify the structure.

Link: https://lore.kernel.org/all/2930648.1757463506@famine/ [1]
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250918-netpoll_jv-v1-1-67d50eeb2c26@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Breno Leitao 2025-09-18 05:25:57 -07:00 committed by Jakub Kicinski
parent 4d3c5db44c
commit b34df17d58
2 changed files with 0 additions and 2 deletions
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1
include/linux/netpoll.h
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@ -55,7 +55,6 @@ struct netpoll_info {
struct delayed_work tx_work;
struct netpoll *netpoll;
struct rcu_head rcu;
};

1
net/core/netpoll.c
View File

@ -591,7 +591,6 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
np->dev = ndev;
strscpy(np->dev_name, ndev->name, IFNAMSIZ);
npinfo->netpoll = np;
/* fill up the skb queue */
refill_skbs(np);