From: sashiko-bot@kernel.org
To: "Wentao Liang" <vulab@iscas.ac.cn>
Cc: linux-pci@vger.kernel.org
Subject: Re: [PATCH] xen/pcifront: Fix PCI device reference leak in pcifront_common_process()
Date: Thu, 17 Sep 2026 13:35:05 +0000 [thread overview]
Message-ID: <20260917133505.97BB21F00893@smtp.kernel.org> (raw)
In-Reply-To: <20260917132944.2153421-1-vulab@iscas.ac.cn>
> pcifront_common_process() gets a reference to the PCI device with
> pci_get_domain_bus_and_slot() and only drops it on the early error
> path. Returning directly from the AER handler switch instead of
> recording the result and falling through to the common
> pci_dev_put(pcidev) leaks the reference on every successful call.
>
> Collect the handler result in a variable and drop the reference on the
> single exit path again.
>
> Fixes: 34ab316d7287 ("xen/pcifront: Drop pcifront_common_process() tests of pcidev, pdrv")
> Cc: stable@vger.kernel.org
> Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260917132944.2153421-1-vulab@iscas.ac.cn?part=1
next prev parent reply other threads:[~2026-09-17 13:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 13:29 [PATCH] xen/pcifront: Fix PCI device reference leak in pcifront_common_process() Wentao Liang
2026-09-17 13:35 ` sashiko-bot [this message]
2026-10-09 8:23 ` Juergen Gross
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