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Date: Tue, 11 Jan 2022 10:18:31 +0100 From: Javier Martinez Canillas <javierm@...hat.com> To: Kevin Tang <kevin3.tang@...il.com>, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, sean@...rly.run, airlied@...ux.ie, daniel@...ll.ch, robh+dt@...nel.org, mark.rutland@....com Cc: devicetree@...r.kernel.org, zhang.lyra@...il.com, linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, lukas.bulwahn@...il.com, orsonzhai@...il.com, zou_wei@...wei.com, pony1.wu@...il.com, dan.carpenter@...cle.com Subject: Re: [PATCH v1 2/2] drm/sprd: fix potential NULL dereference On 12/24/21 15:12, Kevin Tang wrote: > platform_get_resource() may fail and return NULL, so check it's value > before using it. > > 'drm' could be null in sprd_drm_shutdown, and drm_warn maybe dereference > it, remove this warning log. > I would split this second change in a separate patch and just keep this one about checking the platform_get_resource() return value. If you do that, feel free to add: Reviewed-by: Javier Martinez Canillas <javierm@...hat.com> Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat
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