drm/sun4i: Fix error handling

'sun4i_layers_init()' returns an error pointer in case of error, not
NULL. So test it with IS_ERR.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index 0da9862ad8ed..077f3785439e 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -142,7 +142,7 @@ static int sun4i_drv_bind(struct device *dev)
 
         /* Create our layers */
         drv->layers = sun4i_layers_init(drm);
-        if (!drv->layers) {
+        if (IS_ERR(drv->layers)) {
                 dev_err(drm->dev, "Couldn't create the planes\n");
                 ret = -EINVAL;
                 goto free_drm;