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@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117061045.3452287-1-yangyingliang@huawei.com

diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index 38a85a5bfb309158251cb2cfdcc46497889e8638..ed770caf55c2bf8a9deb6f0cfd4c60234c7ed726 100644 (file)
--- 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;
        }