greybus: zero all data buffers

Don't assume the buffer data area will all be overwritten.  Zero all
buffer space, to avoid sending crap over the wire.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Alex Elder 2014-10-16 06:35:28 -05:00 • committed by Greg Kroah-Hartman
commit a7901d5ef7