On Tue, 17 Jun 2014, Tuomas Tynkkynen wrote:

> 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 <[email protected]>
> ---
>  drivers/usb/host/ehci-tegra.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
> index 6fdcb8a..5590567 100644
> --- a/drivers/usb/host/ehci-tegra.c
> +++ b/drivers/usb/host/ehci-tegra.c
> @@ -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;
>  }

Acked-by: Alan Stern <[email protected]>

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