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usb: host: ehci-msm: fix handling platform_get_irq result
The function can return negative values. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 3 additions and 3 deletions
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@ -80,12 +80,12 @@ static int ehci_msm_probe(struct platform_device *pdev)
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return -ENOMEM;
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}
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hcd->irq = platform_get_irq(pdev, 0);
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if (hcd->irq < 0) {
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ret = platform_get_irq(pdev, 0);
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if (ret < 0) {
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dev_err(&pdev->dev, "Unable to get IRQ resource\n");
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ret = hcd->irq;
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goto put_hcd;
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}
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hcd->irq = ret;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res) {
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