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[PATCH 03/11] drm/sun4i: Add end of list element for sun4i_layers_init's returned list

From Chen-Yu Tsai <wens@csie.org>
Newsgroups linux.kernel
Subject [PATCH 03/11] drm/sun4i: Add end of list element for sun4i_layers_init's returned list
Date 2017-02-23 09:20 +0100
Message-ID <tdWN4-731-27@gated-at.bofh.it> (permalink)
References <tdWN3-731-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The number of defined planes in sun4i_layer is unknown to other parts
of the sun4i drm driver. Since the return value of sun4i_layers_init
is a list of layers, make it return 1 more empty layer as an end of
list guard value.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
 drivers/gpu/drm/sun4i/sun4i_layer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c
index 41bc0f860f5c..0b703fb02656 100644
--- a/drivers/gpu/drm/sun4i/sun4i_layer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_layer.c
@@ -139,7 +139,7 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm)
 	struct sun4i_layer **layers;
 	int i;
 
-	layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes),
+	layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes) + 1,
 			      sizeof(*layers), GFP_KERNEL);
 	if (!layers)
 		return ERR_PTR(-ENOMEM);
-- 
2.11.0

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[PATCH 03/11] drm/sun4i: Add end of list element for sun4i_layers_init's returned list Chen-Yu Tsai <wens@csie.org> - 2017-02-23 09:20 +0100
  Re: [PATCH 03/11] drm/sun4i: Add end of list element for  sun4i_layers_init's returned list Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-23 19:30 +0100

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