Commit 6a70b621 authored Jun 17, 2014 by Tuomas Tynkkynen Committed by Greg Kroah-Hartman Jul 09, 2014

USB: EHCI: tegra: Fix use-after-free in .remove()



The tegra_ehci_hcd structure is located in the private space allocated
by the core USB code so it must not be accessed after the HCD is
freed.

Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 6e693739

drivers/usb/host/ehci-tegra.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -479,10 +479,11 @@ static int tegra_ehci_remove(struct platform_device *pdev)

		usb_phy_shutdown(hcd->phy);
		usb_remove_hcd(hcd);
		usb_put_hcd(hcd);

		clk_disable_unprepare(tegra->clk);

		usb_put_hcd(hcd);

		return 0;
		}