linux-kernel - [PATCH 4.14 096/242] drm/omap: dmm_tiler: fix return error code in omap_dmm

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Message-Id: <20201228124909.413258806@linuxfoundation.org>
Date:   Mon, 28 Dec 2020 13:48:21 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 096/242] drm/omap: dmm_tiler: fix return error code in omap_dmm_probe()

From: Yang Yingliang <yangyingliang@...wei.com>

[ Upstream commit 723ae803218da993143387bf966042eccefac077 ]

Return -ENOMEM when allocating refill memory failed.

Fixes: 71e8831f6407 ("drm/omap: DMM/TILER support for OMAP4+ platform")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117061045.3452287-1-yangyingliang@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index 32901c6fe3dfc..6d0c0405e736d 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -751,6 +751,7 @@ static int omap_dmm_probe(struct platform_device *dev)
 					   &omap_dmm->refill_pa, GFP_KERNEL);
 	if (!omap_dmm->refill_va) {
 		dev_err(&dev->dev, "could not allocate refill memory\n");
+		ret = -ENOMEM;
 		goto fail;
 	}
 
-- 
2.27.0