[PATCH net-next v9 1/9] net: memzero mp params when closing a queue
From: Pavel Begunkov <asml.silence@gmail.com>
Date: 2026-01-15 17:12:25
Also in:
bpf, io-uring, linux-doc, linux-kselftest, linux-rdma, lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Instead of resetting memory provider parameters one by one in
__net_mp_{open,close}_rxq, memzero the entire structure. It'll be used
to extend the structure.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
net/core/netdev_rx_queue.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/net/core/netdev_rx_queue.c b/net/core/netdev_rx_queue.c
index c7d9341b7630..a0083f176a9c 100644
--- a/net/core/netdev_rx_queue.c
+++ b/net/core/netdev_rx_queue.c@@ -139,10 +139,9 @@ int __net_mp_open_rxq(struct net_device *dev, unsigned int rxq_idx, rxq->mp_params = *p; ret = netdev_rx_queue_restart(dev, rxq_idx); - if (ret) { - rxq->mp_params.mp_ops = NULL; - rxq->mp_params.mp_priv = NULL; - } + if (ret) + memset(&rxq->mp_params, 0, sizeof(rxq->mp_params)); + return ret; }
@@ -179,8 +178,7 @@ void __net_mp_close_rxq(struct net_device *dev, unsigned int ifq_idx, rxq->mp_params.mp_priv != old_p->mp_priv)) return; - rxq->mp_params.mp_ops = NULL; - rxq->mp_params.mp_priv = NULL; + memset(&rxq->mp_params, 0, sizeof(rxq->mp_params)); err = netdev_rx_queue_restart(dev, ifq_idx); WARN_ON(err && err != -ENETDOWN); }
--
2.52.0