[PATCH 1/2] drm/omap: dsi: Fix excessive stack usage

Arnd Bergmann arnd at arndb.de
Fri Sep 16 08:23:28 UTC 2022


On Fri, Sep 16, 2022, at 10:22 AM, Tomi Valkeinen wrote:
> dsi_dump_dsi_irqs(), a function used for debugfs prints, has a large
> struct in its frame, which can result in:
>
> drivers/gpu/drm/omapdrm/dss/dsi.c:1126:1: warning: the frame size of 
> 1060 bytes is larger than 1024 bytes [-Wframe-larger-than=]
>
> As the performance of the function is of no concern, let's allocate the
> struct with kmalloc instead.
>
> Compile-tested only.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com>
> Reported-by: kernel test robot <lkp at intel.com>

Looks good to me,

Reviewed-by: Arnd Bergmann <arnd at arndb.de>


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