[PATCH TRIVIAL] drm/tilcdc: Fix clock retrieval error handling

[Nikolai Kondrashov]

Check the validity of the immediately returned display clock, instead of
the functional clock already verified previously.

Signed-off-by: Nikolai Kondrashov <spbnick at gmail.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 171a820..f10bc56 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -200,7 +200,7 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
 	}
 
 	priv->disp_clk = clk_get(dev->dev, "dpll_disp_ck");
-	if (IS_ERR(priv->clk)) {
+	if (IS_ERR(priv->disp_clk)) {
 		dev_err(dev->dev, "failed to get display clock\n");
 		ret = -ENODEV;
 		goto fail;
-- 
1.9.2