drm/exynos: IS_ERR() vs NULL bug

of_iomap() doesn't return error pointers, it returns NULL on error.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
index 63f02e2380ae1a24746ed87153a1703491f23dff..970046199608484365195ecdd78d27fecc57ed4b 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
@@ -888,8 +888,8 @@ static int decon_probe(struct platform_device *pdev)
        of_node_put(i80_if_timings);
 
        ctx->regs = of_iomap(dev->of_node, 0);
-       if (IS_ERR(ctx->regs)) {
-               ret = PTR_ERR(ctx->regs);
+       if (!ctx->regs) {
+               ret = -ENOMEM;
                goto err_del_component;
        }