[PATCH net-next v8 1/9] net: memzero mp params when closing a queue

Pavel Begunkov
2026-01-09T11:28:58Z

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