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Re: [PATCH 4/7] drm/sun4i: Fix kcalloc element size in sun4i_layers_init

From Maxime Ripard <maxime.ripard@free-electrons.com>
Newsgroups linux.kernel
Subject Re: [PATCH 4/7] drm/sun4i: Fix kcalloc element size in sun4i_layers_init
Date 2017-02-21 23:20 +0100
Message-ID <tdqWS-l3-11@gated-at.bofh.it> (permalink)
References <tbHfr-77T-3@gated-at.bofh.it> <tbHfr-77T-11@gated-at.bofh.it>
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On Fri, Feb 17, 2017 at 11:13:27AM +0800, Chen-Yu Tsai wrote:
> In sun4i_layers_init we are allocating an array of pointers to struct
> sun4i_layer:
> 
> 	layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes),
> 	                      sizeof(**layers), GFP_KERNEL);
> 
> The element size should be the size of an individual element of the
> array. Change it to sizeof(*layers) to avoid wasting a lot of memory.
> 
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>

Applied, thanks!
Maxime
-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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Thread

[PATCH 0/7] drm/sun4i: Various fixes and cleanups part 1 Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
  [PATCH 4/7] drm/sun4i: Fix kcalloc element size in sun4i_layers_init Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
    Re: [PATCH 4/7] drm/sun4i: Fix kcalloc element size in  sun4i_layers_init Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-21 23:20 +0100
  [PATCH 1/7] drm/sun4i: Move drm_mode_config_cleanup call to main driver Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
    Re: [PATCH 1/7] drm/sun4i: Move drm_mode_config_cleanup call to main  driver Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-21 21:30 +0100
  [PATCH 5/7] drm/sun4i: Drop useless assignment in sun4i_layers_init Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
    Re: [PATCH 5/7] drm/sun4i: Drop useless assignment in  sun4i_layers_init Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-21 23:20 +0100
  [PATCH 3/7] drm/sun4i: Check return value of drm_vblank_init Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
    Re: [PATCH 3/7] drm/sun4i: Check return value of drm_vblank_init Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-21 23:20 +0100
  [PATCH 6/7] drm/sun4i: Save newly created layer in layers array in sun4i_layers_init Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
    Re: [PATCH 6/7] drm/sun4i: Save newly created layer in layers array  in sun4i_layers_init Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-21 23:20 +0100
  [PATCH 7/7] drm/sun4i: Make sun4i_crtc_init return ERR_PTR style error codes Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
    Re: [PATCH 7/7] drm/sun4i: Make sun4i_crtc_init return ERR_PTR style  error codes Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-21 23:20 +0100
  [PATCH 2/7] drm/sun4i: Fix up error path cleanup for master bind function Chen-Yu Tsai <wens@csie.org> - 2017-02-17 04:20 +0100
    Re: [PATCH 2/7] drm/sun4i: Fix up error path cleanup for master bind  function Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-21 21:30 +0100

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