From: Wei Liu <wei.liu@kernel.org>
To: Jiale Yao <yaojiale02@163.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>,
Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Drivers: hv: vmbus: Check ACPI companion before use
Date: Wed, 21 Oct 2026 00:04:49 -0700 [thread overview]
Message-ID: <20261021070449.GA851443@liuwe-devbox-debian-v2.local> (raw)
In-Reply-To: <20261017064313.3816553-1-yaojiale02@163.com>
On Sat, Oct 17, 2026 at 02:43:13PM +0800, Jiale Yao wrote:
> Platform drivers can be forced to bind to devices outside their match
> tables through driver_override. vmbus_acpi_add() assumes that every bound
> device has an ACPI companion and dereferences it without checking.
>
> Return -ENODEV when the companion is absent to avoid a NULL pointer
> dereference.
>
> Signed-off-by: Jiale Yao <yaojiale02@163.com>
Applied. Thanks.
prev parent reply other threads:[~2026-10-21 7:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-17 6:43 Jiale Yao
2026-10-17 7:40 ` jiale yao
2026-10-19 9:24 ` [PATCH] " Naman Jain
2026-10-21 7:04 ` Wei Liu [this message]
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