Forwarded: [PATCH] sync napi pointer during qreset

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***

Subject: [PATCH] sync napi pointer during qreset
Author: subasris1210@gmail.com

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

Signed-off-by: Subasri S <subasris1210@gmail.com>
---
 drivers/net/netdevsim/netdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/netdevsim/netdev.c b/drivers/net/netdevsim/netdev.c
index 4e9d7e10b527..c18f9f540084 100644
--- a/drivers/net/netdevsim/netdev.c
+++ b/drivers/net/netdevsim/netdev.c
@@ -826,6 +826,8 @@ nsim_queue_start(struct net_device *dev, struct netdev_queue_config *qcfg,
 	}
 
 	ns->rq[idx] = qmem->rq;
+	netif_queue_set_napi(dev, idx, NETDEV_QUEUE_TYPE_RX,
+			     &ns->rq[idx]->napi);
 	napi_enable_locked(&ns->rq[idx]->napi);
 
 	return 0;
@@ -838,6 +840,7 @@ static int nsim_queue_stop(struct net_device *dev, void *per_queue_mem, int idx)
 
 	netdev_assert_locked(dev);
 
+	netif_queue_set_napi(dev, idx, NETDEV_QUEUE_TYPE_RX, NULL);
 	napi_disable_locked(&ns->rq[idx]->napi);
 
 	if (ns->rq_reset_mode == 1) {
-- 
2.43.0