[PATCH] rcar-csi2: Fix coccinelle warning for PTR_ERR_OR_ZERO()

[Niklas Söderlund]

Use the PTR_ERR_OR_ZERO() macro instead of construct:

    if (IS_ERR(foo))
        return PTR_ERR(foo);

    return 0;

Reported-by: kbuild test robot <l...@intel.com>
Fixes: 3ae854cafd76 ("rcar-csi2: Use standby mode instead of resetting")
Signed-off-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>
---
 drivers/media/platform/rcar-vin/rcar-csi2.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c 
b/drivers/media/platform/rcar-vin/rcar-csi2.c
index 8f097e514900307f..c14af1b929dffd34 100644
--- a/drivers/media/platform/rcar-vin/rcar-csi2.c
+++ b/drivers/media/platform/rcar-vin/rcar-csi2.c
@@ -1019,10 +1019,8 @@ static int rcsi2_probe_resources(struct rcar_csi2 *priv,
                return ret;
 
        priv->rstc = devm_reset_control_get(&pdev->dev, NULL);
-       if (IS_ERR(priv->rstc))
-               return PTR_ERR(priv->rstc);
 
-       return 0;
+       return PTR_ERR_OR_ZERO(priv->rstc);
 }
 
 static const struct rcar_csi2_info rcar_csi2_info_r8a7795 = {
-- 
2.21.0