drm/exynos: fix IS_ERR() vs NULL check in probe

The of_drm_find_bridge() does not return error pointers, it returns
NULL on error.

Fixes: dd8b6803bc49 ("exynos: drm: dsi: Attach in_bridge in MIC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index 9e06f8e..07e04ce 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -434,9 +434,9 @@ static int exynos_mic_probe(struct platform_device *pdev)
 
        remote = of_graph_get_remote_node(dev->of_node, 1, 0);
        mic->next_bridge = of_drm_find_bridge(remote);
-       if (IS_ERR(mic->next_bridge)) {
+       if (!mic->next_bridge) {
                DRM_DEV_ERROR(dev, "mic: Failed to find next bridge\n");
-               ret = PTR_ERR(mic->next_bridge);
+               ret = -EPROBE_DEFER;
                goto err;
        }