linux-kernel - [PATCH] drm/exynos: fix error return code in exynos_drm

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Message-ID: <CAPgLHd9K0+A5dOOT2bj+fB1owkECMpSGBaqrq-Zs6b-t_G-_7A@mail.gmail.com>
Date:	Tue, 7 May 2013 21:43:33 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	inki.dae@...sung.com, jy0922.shim@...sung.com,
	sw0312.kim@...sung.com, kyungmin.park@...sung.com, airlied@...ux.ie
Cc:	yongjun_wei@...ndmicro.com.cn, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drm/exynos: fix error return code in exynos_drm_load()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Fix to return -ENOMEM in the exynos_plane_init() error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index ba6d995..3a10373 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -91,8 +91,10 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
 		unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
 
 		plane = exynos_plane_init(dev, possible_crtcs, false);
-		if (!plane)
+		if (!plane) {
+			ret = -ENOMEM;
 			goto err_release_iommu_mapping;
+		}
 	}
 
 	ret = drm_vblank_init(dev, MAX_CRTC);

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