[haiku-bugs] Re: [Haiku] #10867: EHCI Control Transfers : Hang if length of buffer > size of input data
- From: "akshay1994" <trac@xxxxxxxxxxxx>
- Date: Sun, 22 Jun 2014 08:50:30 -0000
#10867: EHCI Control Transfers : Hang if length of buffer > size of input data
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Reporter: akshay1994 | Owner: phoudoin
Type: bug | Status: assigned
Priority: normal | Milestone: R1
Component: Drivers/USB | Version: R1/Development
Resolution: | Keywords: USB EHCI
Blocked By: | Blocking:
Has a Patch: 1 | Platform: All
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Comment (by akshay1994):
I have modified and corrected the patch.
Changes :
* The Alternate_Next_qTD for all the data descriptors in a control request
point to the Status Descriptor of that request. For all others, it points
to the Stray Descriptor, as before.
* In the Finishing Transfers Worker, if we detect a Short Packet, we mark
the transfer as done, if it is a Bulk/Interrupt transfer (as no further
descriptors were processed, and a horizontal jump to the next queue head
took place); and jump to the Status descriptor, in case of a Control
Transfer.
--
Ticket URL: <https://dev.haiku-os.org/ticket/10867#comment:9>
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