On Mon, 08 February 2010 Bruno Prémont <bonbons@xxxxxxxxxxxxxxxxx> wrote:
> 2.6.33-rc7 (don't know if any previous version resumes properly)
> crashes during resume from S2Ram when my USB keyboard is connected but
> resumes properly (viafb corruption put apart) when the USB keyboard is
> not connected.
The patch below works around the crash though the WARN_ON() in
usbhid_restart_out_queue() triggers in place.
Bruno
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index e2997a8..d2f8eef 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -196,7 +196,7 @@ static void usbhid_mark_busy(struct usbhid_device *usbhid)
static int usbhid_restart_out_queue(struct usbhid_device *usbhid)
{
- struct hid_device *hid = usb_get_intfdata(usbhid->intf);
+ struct hid_device *hid = usbhid->intf ? usb_get_intfdata(usbhid->intf) : NULL;
int kicked;
if (!hid)
@@ -214,7 +214,7 @@ static int usbhid_restart_out_queue(struct usbhid_device *usbhid)
static int usbhid_restart_ctrl_queue(struct usbhid_device *usbhid)
{
- struct hid_device *hid = usb_get_intfdata(usbhid->intf);
+ struct hid_device *hid = usbhid->intf ? usb_get_intfdata(usbhid->intf) : NULL;
int kicked;
WARN_ON(hid == NULL);
--
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