On Wed, Dec 16, 2009 at 07:43:59PM +0100, Oliver Neukum wrote:
> From cb4479a706a18e0517a603c9221acb1ef2acf06f Mon Sep 17 00:00:00 2001
> From: Oliver Neukum <oliver@xxxxxxxxxx>
> Date: Wed, 16 Dec 2009 19:40:39 +0100
> Subject: [PATCH] xhci:No GFP_KERNEL in block error handling
>
> xhci_add_endpoint() is used in the reset path. It must
> use GFP_NOIO to avoid a possible deadlock.
>
> Signed-off-by: Oliver Neukum <oliver@xxxxxxxxxx>
Acked-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxx>
> ---
> drivers/usb/host/xhci-hcd.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/usb/host/xhci-hcd.c b/drivers/usb/host/xhci-hcd.c
> index 5e92c72..f0de325 100644
> --- a/drivers/usb/host/xhci-hcd.c
> +++ b/drivers/usb/host/xhci-hcd.c
> @@ -1007,7 +1007,7 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
> * for usb_set_interface() and usb_set_configuration() claim).
> */
> if (xhci_endpoint_init(xhci, xhci->devs[udev->slot_id],
> - udev, ep, GFP_KERNEL) < 0) {
> + udev, ep, GFP_NOIO) < 0) {
> dev_dbg(&udev->dev, "%s - could not initialize ep %#x\n",
> __func__, ep->desc.bEndpointAddress);
> return -ENOMEM;
> --
> 1.6.4.2
>
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