On Mon, Oct 10, 2016 at 10:13:10AM -0700, Hoan Tran wrote:
> SMBus block command uses the first byte of buffer for the data length.
> The dma_buffer should be increased by 1 to avoid the overrun issue.
> 
> Reported-by: Phil Endecott <phil_gjouf_endecott@chezphil.org>
> Signed-off-by: Hoan Tran <hotran@apm.com>

Added stable and applied to for-current, thanks!