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(parent: e3a5d6e) | patch
i40e: avoid divide by zero
authorMitch Williams <mitch.a.williams@intel.com>
Mon, 18 Dec 2017 10:15:25 +0000 (05:15 -0500)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 23 Jan 2018 19:29:19 +0000 (11:29 -0800)
commitb356dac8ab9e5e5954e550f2e2501b28511e90b8
treeb88a09d8ddcff0b3c0b3d1933be1776d07aac101tree | snapshot
parente3a5d6e6fa8aae99f12f181597d065ae2ecf768dcommit | diff
i40e: avoid divide by zero

In some weird circumstances with DCB enabled, the firmware can fail to
configure the VSI, leaving us with zero traffic classes. Check for this
state when we configure RSS to avoid a panic.

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e_main.c diff | blob | history
Domain: System / Kernel;