linux-kernel - Re: [PATCH 002/190] Revert "media: st-delta: Fix reference count leak in delta_run

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Message-ID: <3336ff98-f5a4-6206-087e-0cbbce4b3b26@xs4all.nl>
Date:   Thu, 22 Apr 2021 10:17:57 +0200
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Aditya Pakki <pakki001@....edu>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: Re: [PATCH 002/190] Revert "media: st-delta: Fix reference count leak
 in delta_run_work"

Hi Greg,

On 22/04/2021 10:13, Greg Kroah-Hartman wrote:
> On Thu, Apr 22, 2021 at 10:02:32AM +0200, Hans Verkuil wrote:
>> Hi Greg,
>>
>> I re-reviewed all the patches in this series where I was CCed.
>>
>> These are all good and fix real bugs and should be re-reverted:
>>
>> [PATCH 002/190] Revert "media: st-delta: Fix reference count leak in delta_run_work"
>> [PATCH 003/190] Revert "media: sti: Fix reference count leaks"
>> [PATCH 004/190] Revert "media: exynos4-is: Fix several reference count leaks due to pm_runtime_get_sync"
>> [PATCH 005/190] Revert "media: exynos4-is: Fix a reference count leak due to pm_runtime_get_sync"
>> [PATCH 006/190] Revert "media: exynos4-is: Fix a reference count leak"
>> [PATCH 008/190] Revert "media: stm32-dcmi: Fix a reference count leak"
>> [PATCH 009/190] Revert "media: s5p-mfc: Fix a reference count leak"
>> [PATCH 010/190] Revert "media: camss: Fix a reference count leak."
>> [PATCH 011/190] Revert "media: platform: fcp: Fix a reference count leak."
>> [PATCH 012/190] Revert "media: rockchip/rga: Fix a reference count leak."
>> [PATCH 013/190] Revert "media: rcar-vin: Fix a reference count leak."
>> [PATCH 014/190] Revert "media: rcar-vin: Fix a reference count leak."
>> [PATCH 052/190] Revert "media: media/saa7146: fix incorrect assertion in saa7146_buffer_finish"
>> [PATCH 056/190] Revert "media: davinci/vpfe_capture.c: Avoid BUG_ON for register failure"
>> [PATCH 057/190] Revert "media: saa7146: Avoid using BUG_ON as an assertion"
>> [PATCH 058/190] Revert "media: cx231xx: replace BUG_ON with recovery code"
>> [PATCH 102/190] Revert "media: video-mux: fix null pointer dereferences"
>> [PATCH 183/190] Revert "media: isif: fix a NULL pointer dereference bug"
>>

Just to clarify and avoid ambiguities:

>> This one can be dropped since it actually contains a bug, I'm fairly certain

with 'This can be dropped' I meant: this can remain reverted.

>> that was unintentional:
>>
>> [PATCH 007/190] Revert "media: ti-vpe: Fix a missing check and reference count leak"
>>
>> I'll reply to that one separately.
>>
>> This one can be dropped since it is not necessary:

Ditto.

You probably understood what I meant, but I realized it was not very clear.

Regards,

	Hans

>>
>> [PATCH 073/190] Revert "media: rcar_drif: fix a memory disclosure"
>>
>> The V4L2 core already zeroes this. Other drivers that use fmt.sdr also
>> memset this, but that should be dropped in those drivers as well. I'll
>> make a patch for that.
> 
> Wonderful, many thanks for doing this review, I'll be dropping these
> from the series.
> 
> greg k-h
>