[PATCH] staging: comedi: ni_at_a2150: range check board index

[Hartley Sweeten]

On Monday, September 01, 2014 6:14 AM, Ian Abbott wrote:
> The "ni_at_a2150" driver determines the board type by calling
> `a2150_probe()`.  This reads a register and converts it to a board index
> in the range 0 to 3.  However, the board table array it indexes into
> (`a2150_boards[]`) only has 2 entries.  Return an error from the
> Comedi driver "attach" handler `a2150_attach()` if the probed board
> index is beyond the end of the array.
>
> Signed-off-by: Ian Abbott <abbotti at mev.co.uk>

Reviewed-by: H Hartley Sweeten <hsweeten at visionengravers.com>