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drivers: bus: imx-weim: Simplify error path

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Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Alexander Shiyan 2013-06-29 08:27:51 +04:00 committed by Shawn Guo
parent 70ac98da78
commit b2d1fb7332
1 changed files with 8 additions and 14 deletions
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22
drivers/bus/imx-weim.c
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@ -78,36 +78,30 @@ static int weim_probe(struct platform_device *pdev)
struct resource *res;
struct clk *clk;
void __iomem *base;
int ret = -EINVAL;
int ret;
/* get the resource */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base)) {
ret = PTR_ERR(base);
goto weim_err;
}
if (IS_ERR(base))
return PTR_ERR(base);
/* get the clock */
clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(clk))
goto weim_err;
return PTR_ERR(clk);
ret = clk_prepare_enable(clk);
if (ret)
goto weim_err;
return ret;
/* parse the device node */
ret = weim_parse_dt(pdev, base);
if (ret) {
if (ret)
clk_disable_unprepare(clk);
goto weim_err;
}
else
dev_info(&pdev->dev, "Driver registered.\n");
dev_info(&pdev->dev, "WEIM driver registered.\n");
return 0;
weim_err:
return ret;
}