tree 24462633c17118c7cb61c2de997047f40b82cba9
parent 01f27fc085574b301248d4da241e9d5ebd61e5c9
author Don Skidmore <donald.c.skidmore@intel.com> 1362208657 +0000
committer Jeff Kirsher <jeffrey.t.kirsher@intel.com> 1366849742 -0700

ixgbe: fix possible divide by zero in ixgbe_update_itr

Protect the code by bailing out of ixgbe_update_itr() when this occurs.
The next call to ixgbe_update_itr will continue to dynamically update ITR.

Signed-of-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>