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usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe() 

If the function platform_get_irq() failed, the negative value
returned will not be detected here. So fix error handling in
tegra_ehci_probe().

Fixes: 79ad3b5add ("usb: host: Add EHCI driver for NVIDIA Tegra SoCs")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20201026090657.49988-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tang Bin 2020-10-26 17:06:57 +08:00 committed by Greg Kroah-Hartman
parent b9c6f78215
commit 32d174d2d5
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/host/ehci-tegra.c
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@ -479,8 +479,8 @@ static int tegra_ehci_probe(struct platform_device *pdev)
u_phy->otg->host = hcd_to_bus(hcd);
irq = platform_get_irq(pdev, 0);
if (!irq) {
err = -ENODEV;
if (irq < 0) {
err = irq;
goto cleanup_phy;
}