i40e: Add bounds check for ch[] array

Add bounds check for ch[] array.
Use ARRAY_SIZE() to ensure that idx is within the range.

Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Piotr Kwapulinski 2019-04-24 05:20:49 -07:00 • committed by Jeff Kirsher
commit f5a2b3ffb7