[PATCH 4.19 146/346] drm/omap: dmm_tiler: fix return error code in omap_dmm_probe()

[Greg Kroah-Hartman]

From: Yang Yingliang <yangyingli...@huawei.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 <hul...@huawei.com>
Signed-off-by: Yang Yingliang <yangyingli...@huawei.com>
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Link: 
https://patchwork.freedesktop.org/patch/msgid/20201117061045.3452287-1-yangyingli...@huawei.com
Signed-off-by: Sasha Levin <sas...@kernel.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 e884183c018ac..cb5ce73f72694 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -763,6 +763,7 @@ 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