From: sashiko-bot@kernel.org
To: "Jianlin Shi" <shijianlin11@foxmail.com>
Cc: virtualization@lists.linux.dev,
"Eugenio Perez" <eperezma@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH 2/2] virtio-net: unwind VQs when irq moderation init fails
Date: Wed, 30 Sep 2026 08:33:45 +0000 [thread overview]
Message-ID: <20260930083345.A8A761F00898@smtp.kernel.org> (raw)
In-Reply-To: <4e21386a0840526578eac3dd10443758bf3b84e2.1790751008.git.shijianlin11@foxmail.com>
> virtnet_probe() calls init_vqs() before virtnet_init_irq_moder().
> The failure path used "goto free", which only calls free_netdev() and
> skips virtio_reset_device() and virtnet_del_vqs(). The virtqueues and
> their DMA mappings leak.
>
> Use the existing free_irq_moder label, as virtnet_create_page_pools()
> already does. This is safe only after net_dim_init_irq_moder() clears
> dev->irq_moder on failure; otherwise virtnet_free_irq_moder() would
> free the dangling pointer.
>
> Fixes: dcb67f6a9ead6 ("virtio-net: support dim profile fine-tuning")
> Signed-off-by: Jianlin Shi <shijianlin11@foxmail.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/cover.1790751008.git.shijianlin11@foxmail.com?part=2
prev parent reply other threads:[~2026-09-30 8:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 8:19 [PATCH 0/2] virtio-net/dim: fix irq moderation init failure unwind Jianlin Shi
2026-09-30 8:19 ` [PATCH 1/2] dim: clear irq_moder on init failure Jianlin Shi
2026-09-30 8:33 ` sashiko-bot
2026-10-06 1:53 ` Jakub Kicinski
2026-10-08 15:42 ` Jianlin Shi
2026-09-30 8:19 ` [PATCH 2/2] virtio-net: unwind VQs when irq moderation init fails Jianlin Shi
2026-09-30 8:33 ` sashiko-bot [this message]
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