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commitc7152763f0upstream. Currently req->num_trbs is not reset after the TRBs are skipped and processed from the cancelled list. The gadget driver may reuse the request with an invalid req->num_trbs, and DWC3 will incorrectly skip trbs. To fix this, simply reset req->num_trbs to 0 after skipping through all of them. Fixes:c3acd59014("usb: dwc3: gadget: use num_trbs when skipping TRBs on ->dequeue()") Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Cc: Sasha Levin <sashal@kernel.org> Cc: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.