[PATCH 1/3] clk: wm831x: Fix clk_register() error code checking

[Stephen Boyd]

clk_register() returns an ERR_PTR upon failure, not NULL. Fix
these error paths.

Cc: Mark Brown <broonie at opensource.wolfsonmicro.com>
Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>
---
 drivers/clk/clk-wm831x.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c
index e7b7765..eb1afaf 100644
--- a/drivers/clk/clk-wm831x.c
+++ b/drivers/clk/clk-wm831x.c
@@ -371,20 +371,20 @@ static __devinit int wm831x_clk_probe(struct platform_device *pdev)
 
 	clkdata->xtal_hw.init = &wm831x_xtal_init;
 	clkdata->xtal = clk_register(&pdev->dev, &clkdata->xtal_hw);
-	if (!clkdata->xtal)
-		return -EINVAL;
+	if (IS_ERR(clkdata->xtal))
+		return PTR_ERR(clkdata->xtal);
 
 	clkdata->fll_hw.init = &wm831x_fll_init;
 	clkdata->fll = clk_register(&pdev->dev, &clkdata->fll_hw);
-	if (!clkdata->fll) {
-		ret = -EINVAL;
+	if (IS_ERR(clkdata->fll)) {
+		ret = PTR_ERR(clkdata->fll);
 		goto err_xtal;
 	}
 
 	clkdata->clkout_hw.init = &wm831x_clkout_init;
 	clkdata->clkout = clk_register(&pdev->dev, &clkdata->clkout_hw);
-	if (!clkdata->clkout) {
-		ret = -EINVAL;
+	if (IS_ERR(clkdata->clkout)) {
+		ret = PTR_ERR(clkdata->clkout);
 		goto err_fll;
 	}
 
-- 
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