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USB: at91: fix clk_get error handling

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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: linux-usb@vger.kernel.org
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2011-12-08 16:32:00 +01:00 committed by Nicolas Ferre
parent 08a52e1bef
commit 6813463ceb
1 changed files with 18 additions and 0 deletions
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18
drivers/usb/host/ohci-at91.c
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@ -139,8 +139,23 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
}
iclk = clk_get(&pdev->dev, "ohci_clk");
if (IS_ERR(iclk)) {
dev_err(&pdev->dev, "failed to get ohci_clk\n");
retval = PTR_ERR(iclk);
goto err3;
}
fclk = clk_get(&pdev->dev, "uhpck");
if (IS_ERR(fclk)) {
dev_err(&pdev->dev, "failed to get uhpck\n");
retval = PTR_ERR(fclk);
goto err4;
}
hclk = clk_get(&pdev->dev, "hclk");
if (IS_ERR(hclk)) {
dev_err(&pdev->dev, "failed to get hclk\n");
retval = PTR_ERR(hclk);
goto err5;
}
at91_start_hc(pdev);
ohci_hcd_init(hcd_to_ohci(hcd));
@ -153,9 +168,12 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
at91_stop_hc(pdev);
clk_put(hclk);
err5:
clk_put(fclk);
err4:
clk_put(iclk);
err3:
iounmap(hcd->regs);
err2: