On Mon, 4 Jan 2016, Jia-Ju Bai wrote:
> The driver calls ehci_mem_init to allocate memory resources.
> But these resources are not freed when ehci_halt fails.
>
> This patch adds "ehci_mem_cleanup" in error handling code to fix this problem.
>
> Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxx>
> ---
> drivers/usb/host/ehci-hcd.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
> index 48c92bf..015b411 100644
> --- a/drivers/usb/host/ehci-hcd.c
> +++ b/drivers/usb/host/ehci-hcd.c
> @@ -675,8 +675,10 @@ int ehci_setup(struct usb_hcd *hcd)
> return retval;
>
> retval = ehci_halt(ehci);
> - if (retval)
> + if (retval) {
> + ehci_mem_cleanup(ehci);
> return retval;
> + }
>
> ehci_reset(ehci);
>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
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