[patch] thermal: rockchip: fix an error code

[dan.carpenter@xxxxxxxxxx (Dan Carpenter)]

There is a copy and paste bug, "->clk" vs "->pclk", so we return the
wrong error code here.

Fixes: cbac8f639437 ('thermal: rockchip: add driver for thermal')
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 3aa46ac..cd8f5f93 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -529,7 +529,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
 
 	thermal->pclk = devm_clk_get(&pdev->dev, "apb_pclk");
 	if (IS_ERR(thermal->pclk)) {
-		error = PTR_ERR(thermal->clk);
+		error = PTR_ERR(thermal->pclk);
 		dev_err(&pdev->dev, "failed to get apb_pclk clock: %d\n",
 			error);
 		return error;