On 22 May 2013 09:05, Sachin Kamat <sachin.ka...@linaro.org> wrote:
> 'hcd' is dereferenced before NULL check. Move the assignment after
> the check to avoid potential NULL pointer dereferencing error.
>
> Signed-off-by: Sachin Kamat <sachin.ka...@linaro.org>
> Cc: Viresh Kumar <viresh.ku...@linaro.org>
> ---
> drivers/usb/host/ehci-spear.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c
> index f5ac4e2..326bfea 100644
> --- a/drivers/usb/host/ehci-spear.c
> +++ b/drivers/usb/host/ehci-spear.c
> @@ -146,10 +146,13 @@ fail:
> static int spear_ehci_hcd_drv_remove(struct platform_device *pdev)
> {
> struct usb_hcd *hcd = platform_get_drvdata(pdev);
> - struct spear_ehci *sehci = to_spear_ehci(hcd);
> + struct spear_ehci *sehci;
>
> if (!hcd)
> return 0;
> +
> + sehci = to_spear_ehci(hcd);
> +
> if (in_interrupt())
> BUG();
> usb_remove_hcd(hcd);
Acked-by: Viresh Kumar <viresh.ku...@linaro.org>
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