linux-kernel - [PATCH] nouveau: need to handle failed allocation

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Date:	Thu, 28 Jan 2016 19:09:12 -0500
From:	Insu Yun <wuninsu@...il.com>
To:	airlied@...ux.ie, bskeggs@...hat.com, daniel.vetter@...ll.ch,
	ville.syrjala@...ux.intel.com, maarten.lankhorst@...ux.intel.com,
	treding@...dia.com, acourbot@...dia.com,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:	taesoo@...ech.edu, yeongjin.jang@...ech.edu, insu@...ech.edu,
	changwoo@...ech.edu, Insu Yun <wuninsu@...il.com>
Subject: [PATCH] nouveau: need to handle failed allocation

drm_property_create_range can be failed in memory pressure.
So, it needs to be handled.

Signed-off-by: Insu Yun <wuninsu@...il.com>
---
 drivers/gpu/drm/nouveau/nouveau_display.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 24be27d..26b4902 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -443,6 +443,12 @@ nouveau_display_create_properties(struct drm_device *dev)
 	/* -100..+100 */
 	disp->color_vibrance_property =
 		drm_property_create_range(dev, 0, "color vibrance", 0, 200);
+
+	if (!disp->underscan_hborder_property ||
+			!disp->underscan_vborder_property ||
+			!disp->vibrant_hue_property ||
+			!disp->color_vibrance_property)
+		return;
 }
 
 int
-- 
1.9.1