[PATCH -next 1/2] drm/bridge: Use PTR_ERR_OR_ZERO() to simplify code

[Jinjie Ruan]

Return PTR_ERR_OR_ZERO() instead of return 0 or PTR_ERR() to
simplify code.

Signed-off-by: Jinjie Ruan <ruanjin...@huawei.com>
---
 drivers/gpu/drm/bridge/tc358762.c | 10 ++--------
 drivers/gpu/drm/bridge/tc358764.c |  5 +----
 2 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358762.c 
b/drivers/gpu/drm/bridge/tc358762.c
index 46198af9eebb..49fd60a08c1c 100644
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -240,19 +240,13 @@ static int tc358762_parse_dt(struct tc358762 *ctx)
 
        /* Reset GPIO is optional */
        ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
-       if (IS_ERR(ctx->reset_gpio))
-               return PTR_ERR(ctx->reset_gpio);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(ctx->reset_gpio);
 }
 
 static int tc358762_configure_regulators(struct tc358762 *ctx)
 {
        ctx->regulator = devm_regulator_get(ctx->dev, "vddc");
-       if (IS_ERR(ctx->regulator))
-               return PTR_ERR(ctx->regulator);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(ctx->regulator);
 }
 
 static int tc358762_probe(struct mipi_dsi_device *dsi)
diff --git a/drivers/gpu/drm/bridge/tc358764.c 
b/drivers/gpu/drm/bridge/tc358764.c
index deccb3995022..738ea6e11712 100644
--- a/drivers/gpu/drm/bridge/tc358764.c
+++ b/drivers/gpu/drm/bridge/tc358764.c
@@ -319,10 +319,7 @@ static int tc358764_parse_dt(struct tc358764 *ctx)
        }
 
        ctx->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 1, 0);
-       if (IS_ERR(ctx->next_bridge))
-               return PTR_ERR(ctx->next_bridge);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(ctx->next_bridge);
 }
 
 static int tc358764_configure_regulators(struct tc358764 *ctx)
-- 
2.34.1