drm/tegra: plane: Improve use of dev_err_probe()

Return dev_err_probe() directly, because the return value of
dev_err_probe() is the appropriate error code, and it can
reduce code size, simplify the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/drm/tegra/plane.c

@@ -777,21 +777,17 @@ int tegra_plane_interconnect_init(struct tegra_plane *plane)
 
 	plane->icc_mem = devm_of_icc_get(dev, icc_name);
 	err = PTR_ERR_OR_ZERO(plane->icc_mem);
-	if (err) {
-		dev_err_probe(dev, err, "failed to get %s interconnect\n",
-			      icc_name);
-		return err;
-	}
+	if (err)
+		return dev_err_probe(dev, err, "failed to get %s interconnect\n",
+				     icc_name);
 
 	/* plane B on T20/30 has a dedicated memory client for a 6-tap vertical filter */
 	if (plane->index == 1 && dc->soc->has_win_b_vfilter_mem_client) {
 		plane->icc_mem_vfilter = devm_of_icc_get(dev, "winb-vfilter");
 		err = PTR_ERR_OR_ZERO(plane->icc_mem_vfilter);
-		if (err) {
-			dev_err_probe(dev, err, "failed to get %s interconnect\n",
-				      "winb-vfilter");
-			return err;
-		}
+		if (err)
+			return dev_err_probe(dev, err, "failed to get %s interconnect\n",
+					     "winb-vfilter");
 	}
 
 	return 0;