Hi, On Thu, Apr 26, 2012 at 11:31:57AM -0400, Alan Stern wrote: > This patch (as1548) fixes a recently-introduced incompatibility > between the UDC core and the dummy-hcd driver. Commit > 8ae8090c82eb407267001f75b3d256b3bd4ae691 (usb: gadget: udc-core: fix > asymmetric calls in remove_driver) moved the usb_gadget_udc_stop() > call in usb_gadget_remove_driver() below the usb_gadget_disconnect() > call. > > As a result, usb_gadget_disconnect() gets called at a time when the > gadget driver believes it has been unbound but dummy-hcd believes > it has not. A nasty error ensues when dummy-hcd calls the gadget > driver's disconnect method a second time. > > To fix the problem, this patch moves the gadget driver's unbind > notification after the usb_gadget_disconnect() call. Now nothing > happens between the two unbind notifications, so nothing goes wrong. > > Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Tested-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> applied, thanks -- balbi
Attachment:
signature.asc
Description: Digital signature
