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

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Date:   Tue, 17 Nov 2020 14:10:45 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <tomi.valkeinen@...com>
CC:     <yangyingliang@...wei.com>
Subject: [PATCH] drm/omap: dmm_tiler: fix return error code in omap_dmm_probe()

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>
---
 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 42ec51bb7b1b..7f4317248812 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -889,6 +889,7 @@ 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;
 	}
 
-- 
2.25.1