CLK: clk-twl6040: fix return value check in twl6040_clk_probe()

In case of error, the function clk_register() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

diff --git a/drivers/clk/clk-twl6040.c b/drivers/clk/clk-twl6040.c
index f4a3389c3d09d0d74f490c29832cebdea75ca5ac..bc1e713e7b9cb282e2c601ee14ddf27bfda2eb62 100644 (file)
--- a/drivers/clk/clk-twl6040.c
+++ b/drivers/clk/clk-twl6040.c
@@ -92,8 +92,8 @@ static int __devinit twl6040_clk_probe(struct platform_device *pdev)
 
        clkdata->mcpdm_fclk.init = &wm831x_clkout_init;
        clkdata->clk = clk_register(&pdev->dev, &clkdata->mcpdm_fclk);
-       if (!clkdata->clk)
-               return -EINVAL;
+       if (IS_ERR(clkdata->clk))
+               return PTR_ERR(clkdata->clk);
 
        dev_set_drvdata(&pdev->dev, clkdata);