linux-kernel - Re: [PATCH v2 1/3] rpmsg: qcom: glink: replace strncpy() with strscpy

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Message-ID: <57aca768-18f4-6b79-9490-c57123d71232@linaro.org>
Date:   Tue, 5 Jul 2022 14:14:48 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Stephen Boyd <sboyd@...nel.org>
Subject: Re: [PATCH v2 1/3] rpmsg: qcom: glink: replace strncpy() with
 strscpy_pad()

On 20/06/2022 20:37, Krzysztof Kozlowski wrote:
> On 09/06/2022 10:56, Krzysztof Kozlowski wrote:
>> On 19/05/2022 09:33, Krzysztof Kozlowski wrote:
>>> The use of strncpy() is considered deprecated for NUL-terminated
>>> strings[1]. Replace strncpy() with strscpy_pad(), to keep existing
>>> pad-behavior of strncpy, similarly to commit 08de420a8014 ("rpmsg:
>>> glink: Replace strncpy() with strscpy_pad()").  This fixes W=1 warning:
>>>
>>>   In function ‘qcom_glink_rx_close’,
>>>     inlined from ‘qcom_glink_work’ at ../drivers/rpmsg/qcom_glink_native.c:1638:4:
>>>   drivers/rpmsg/qcom_glink_native.c:1549:17: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation]
>>>    1549 |                 strncpy(chinfo.name, channel->name, sizeof(chinfo.name));
>>>
>>> [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings
>>>
>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>>
>>> ---
>>>
>>> Changes since v1:
>>> 1. Split series per subsystem.
>>
>> Any comments on these?
> 
> I sent first iteration in May, then on 19th of May. There is review from
> Stephen.
> 
> On 9th of June I pinged but the patchset is still waiting. Anyone minds
> me taking these?

Hmmm... These are all fixes but wait for quite a long time. Shall we
make the rpmsg subsystem orphaned?

Best regards,
Krzysztof