linux-kernel - Re: [PATCH 2/3] iommufd/device: Make hwpt_list list

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Date:   Sat, 28 Jan 2023 12:27:44 -0800
From:   Nicolin Chen <nicolinc@...dia.com>
To:     <jgg@...dia.com>, <kevin.tian@...el.com>,
        kernel test robot <lkp@...el.com>
CC:     <llvm@...ts.linux.dev>, <oe-kbuild-all@...ts.linux.dev>,
        <yi.l.liu@...el.com>, <iommu@...ts.linux.dev>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] iommufd/device: Make hwpt_list list_add/del symmetric

On Sat, Jan 28, 2023 at 07:52:54PM +0800, kernel test robot wrote:

> >> drivers/iommu/iommufd/device.c:279:23: warning: variable 'hwpt' is uninitialized when used here [-Wuninitialized]
>            lockdep_assert_held(&hwpt->ioas->mutex);
>                                 ^~~~

A mistake here...will fix with a v2:
            lockdep_assert_held(&ioas->mutex);

Thanks
Nicolin