On Fri, 30 Mar 2012 19:46:36 +0800, Daniel Kurtz <djku...@chromium.org> wrote:
> A common method of probing an i2c bus is trying to do a zero-length write.
> Handle this case by checking the length first before decrementing it.
> 
> This is actually important, since attempting a zero-length write is one
> of the ways that i2cdetect and i2c_new_probed_device detect whether
> there is device present on the bus with a given address.
> 
> Signed-off-by: Daniel Kurtz <djku...@chromium.org>

Having done a good job with handling zero length writes, can I tempt to
submit a similar fix for zero length reads? ;)
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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