[Trusty] [PULL] UBUNTU: SAUCE: net/mlx4_en: fix crash in legacy EQ's mode(v1)

[Ming Lei]

Hi Tim,

The patch fixes regression caused by 792df54ee3dde385
( net/mlx4_en: Don't use irq_affinity_notifier to track changes
in IRQ affinity map)

       BugLink: https://bugs.launchpad.net/bugs/1354242

Please pull:

    git://kernel.ubuntu.com/git/ming/ubuntu-trusty.git my-trusty-for-merge

16aed0a net/mlx4_en: cq->irq_desc wasn't set in legacy EQ's

V1:
      - use public LP bug entry

Thanks,