[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