Message ID | 200909212225.48513.oliver@neukum.org (mailing list archive) |
---|---|
State | New, archived |
Delegated to: | Jiri Kosina |
Headers | show |
Oliver Neukum wrote: > hid:usbhid: fix wrong use of GFP_KERNEL > > hid_input_report() must be told it is called in interrupt context > > Signed-off-by: Oliver Neukum <oliver@neukum.org> > > Hi Jiri, Greg, > > this should go into the current tree and the stable tree. Stable? Interestingly I did not have any problems with 2.6.31...... /Henk > > Regards > Oliver > > -- > commit ca5c4a1397d1a1c0d1074f4d8922630fdd732780 > Author: Oliver Neukum <oliver@neukum.org> > 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; > > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Am Montag, 21. September 2009 22:33:53 schrieb Henk Martijn: > Oliver Neukum wrote: > > hid:usbhid: fix wrong use of GFP_KERNEL > > > > hid_input_report() must be told it is called in interrupt context > > > > Signed-off-by: Oliver Neukum <oliver@neukum.org> > > > > Hi Jiri, Greg, > > > > this should go into the current tree and the stable tree. > > Stable? Interestingly I did not have any problems with 2.6.31...... OK, Greg, hold your fire. Jiri is this necessary in stable? Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, 21 Sep 2009, Oliver Neukum wrote: > > > hid:usbhid: fix wrong use of GFP_KERNEL > > > > > > hid_input_report() must be told it is called in interrupt context > > > > > > Signed-off-by: Oliver Neukum <oliver@neukum.org> > > > > > > Hi Jiri, Greg, > > > > > > this should go into the current tree and the stable tree. > > > > Stable? Interestingly I did not have any problems with 2.6.31...... > > OK, Greg, hold your fire. Jiri is this necessary in stable? Hi, no, it's not. 2.6.31 doesn't do any allocation in hid_input_report(), this is new with HID debugging through debugfs that went to Linus in 2.6.32 merge window. The fix for this particular problem is already on its way upstream, waiting for Linus to pull. Thanks,
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;
hid:usbhid: fix wrong use of GFP_KERNEL hid_input_report() must be told it is called in interrupt context Signed-off-by: Oliver Neukum <oliver@neukum.org> Hi Jiri, Greg, this should go into the current tree and the stable tree. Regards Oliver -- commit ca5c4a1397d1a1c0d1074f4d8922630fdd732780 Author: Oliver Neukum <oliver@neukum.org> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html