Anton Staaf 0f10bf88b2 USB: Interface callbacks now return an error code ...

A non-zero error code returned by the callback causes EP0 to STALL.
This is the common mechanism used in USB to indicate an error while
processing a control request.  This simplifies the implementation
of interface callbacks.

Signed-off-by: Anton Staaf <robotboy@chromium.org>

BRANCH=None
BUG=None
TEST=make buildall -j

Change-Id: I89ceb4892f9f810fcaf6e975e6982fc5b2ae447b
Reviewed-on: https://chromium-review.googlesource.com/232368
Reviewed-by: Anton Staaf <robotboy@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>

2014-12-02 21:11:35 +00:00

9.1 KiB

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