>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>
---
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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