Re: 2.6.31-0.1-default-07068-g43c1266 lockdep warning and scheduling while atomic BUG

From: Oliver Neukum
Date: Mon Sep 21 2009 - 16:03:21 EST


Am Montag, 21. September 2009 21:53:28 schrieb Henk Martijn:
> This is a i7 based DELL and current git throws the following warning and
> bug at me during boot:

Please try this patch

Regards
Oliver

--

commit ca5c4a1397d1a1c0d1074f4d8922630fdd732780
Author: Oliver Neukum <oliver@xxxxxxxxxx>
Date: Mon Sep 21 22:02:01 2009 +0200

hid:usbhid: fix wrong use of GFP_KERNEL

hid_input_report() must be told it is called in interrupt context

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 1b0e07a..ab2869d 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -455,7 +455,7 @@ static void hid_ctrl(struct urb *urb)
if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
hid_input_report(urb->context,
usbhid->ctrl[usbhid->ctrltail].report->type,
- urb->transfer_buffer, urb->actual_length, 0);
+ urb->transfer_buffer, urb->actual_length, 1);
break;
case -ESHUTDOWN: /* unplug */
unplug = 1;

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