This is a note to let you know that I've just added the patch titled usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe() to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-host-ehci-tegra-fix-error-handling-in-tegra_ehci.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 0d3072eaf8fb326cc34eddd8f9ae73fcadb846c6 Author: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> Date: Mon Oct 26 17:06:57 2020 +0800 usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe() [ Upstream commit 32d174d2d5eb318c34ff36771adefabdf227c186 ] 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: 79ad3b5add4a ("usb: host: Add EHCI driver for NVIDIA Tegra SoCs") Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Acked-by: Thierry Reding <treding@xxxxxxxxxx> Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201026090657.49988-1-tangbin@xxxxxxxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index e077b2ca53c51..869d9c4de5fcd 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -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; }