csi2->pllref_clk = devm_clk_get(&pdev->dev, "ref");
        if (IS_ERR(csi2->pllref_clk)) {
                v4l2_err(&csi2->sd, "failed to get pll reference clock\n");
-               ret = PTR_ERR(csi2->pllref_clk);
-               return ret;
+               return PTR_ERR(csi2->pllref_clk);
        }
 
        csi2->dphy_clk = devm_clk_get(&pdev->dev, "dphy");
        if (IS_ERR(csi2->dphy_clk)) {
                v4l2_err(&csi2->sd, "failed to get dphy clock\n");
-               ret = PTR_ERR(csi2->dphy_clk);
-               return ret;
+               return PTR_ERR(csi2->dphy_clk);
        }
 
        csi2->pix_clk = devm_clk_get(&pdev->dev, "pix");
        if (IS_ERR(csi2->pix_clk)) {
                v4l2_err(&csi2->sd, "failed to get pixel clock\n");
-               ret = PTR_ERR(csi2->pix_clk);
-               return ret;
+               return PTR_ERR(csi2->pix_clk);
        }
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);