linux-kernel - Re: [PATCH v2] irqchip/gic-v3-its: Fix double free on error

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Date: Thu, 11 Apr 2024 19:58:05 +0800
From: Guanrui Huang <guanrui.huang@...ux.alibaba.com>
To: maz@...nel.org
Cc: guanrui.huang@...ux.alibaba.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	shannon.zhao@...ux.alibaba.com,
	tglx@...utronix.de,
	yuzenghui@...wei.com
Subject: Re: [PATCH v2] irqchip/gic-v3-its: Fix double free on error

if (vm != domain->host_data)

This is just a safety check. It looks unlikely happened.
After all, vm is obtained from the args. If the caller has a bug, can we check here to avoid possible problems that may arise in later code?

Thanks,
Guanrui