linux-kernel - Re: [PATCH v2 1/2] drm/msm/dsi: Use pm_runtime_resume_and

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1f259e13-0a49-f06e-9578-8de533115f92@linaro.org>
Date:   Thu, 22 Jun 2023 21:43:44 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] drm/msm/dsi: Use pm_runtime_resume_and_get to
 prevent refcnt leaks

On 20/06/2023 14:43, Konrad Dybcio wrote:
> This helper has been introduced to avoid programmer errors (missing
> _put calls leading to dangling refcnt) when using pm_runtime_get, use it.
> 
> While at it, start checking the return value.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>   drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

What about also adding the following tag?

Fixes: 5c8290284402 ("drm/msm/dsi: Split PHY drivers to separate files")


-- 
With best wishes
Dmitry