i2c: tegra: If fifo flush fails return error

During i2c controller initialization, when fifo flush fails return error
instead of returning the error during exit.

Signed-off-by: Shardar Shariff Md <smohammed@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-tegra.c

@@ -494,6 +494,8 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
 	i2c_writel(i2c_dev, val, I2C_FIFO_CONTROL);
 
 	err = tegra_i2c_flush_fifos(i2c_dev);
+	if (err)
+		goto err;
 
 	if (i2c_dev->is_multimaster_mode && i2c_dev->hw->has_slcg_override_reg)
 		i2c_writel(i2c_dev, I2C_MST_CORE_CLKEN_OVR, I2C_CLKEN_OVERRIDE);