[PATCH] drm/exynos: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO

[Duan Jiong]

This patch fixes coccinelle error regarding usage of IS_ERR and
PTR_ERR instead of PTR_ERR_OR_ZERO.

Signed-off-by: Duan Jiong <duanj.fnst at cn.fujitsu.com>
---
 drivers/gpu/drm/exynos/exynos_dp_core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index aed533b..fbaf289 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -1185,10 +1185,7 @@ static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
 	dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy");
 	if (!dp_phy_node) {
 		dp->phy = devm_phy_get(dp->dev, "dp");
-		if (IS_ERR(dp->phy))
-			return PTR_ERR(dp->phy);
-		else
-			return 0;
+		return PTR_ERR_OR_ZERO(dp->phy);
 	}
 
 	if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) {
-- 
1.8.3.1