video: rk3399_mipi: Combine NULL check into IS_ERR_OR_NULL()

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

diff --git a/drivers/video/rockchip/rk3399_mipi.c b/drivers/video/rockchip/rk3399_mipi.c
index c6987ff042e70ad00ec9e7158cb13066fca81ff3..b936fcec9ba882892735c83e66cea625beb3c336 100644 (file)
--- a/drivers/video/rockchip/rk3399_mipi.c
+++ b/drivers/video/rockchip/rk3399_mipi.c
@@ -128,7 +128,7 @@ static int rk_mipi_ofdata_to_platdata(struct udevice *dev)
        struct rk_mipi_priv *priv = dev_get_priv(dev);
 
        priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
-       if (!priv->grf || IS_ERR(priv->grf)) {
+       if (IS_ERR_OR_NULL(priv->grf)) {
                debug("%s: Get syscon grf failed (ret=%p)\n",
                      __func__, priv->grf);
                return  -ENXIO;