e1000e: fix division by zero on jumbo MTUs

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[ Upstream commit b77ac46bba ]

This patch fixes possible division by zero in receive
interrupt handler when working without adaptive interrupt
moderation.

The adaptive interrupt moderation mechanism is typically
disabled on jumbo MTUs.

Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Leonid Bloch <leonid@daynix.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Dmitry Fleytman 2015-10-13 12:48:18 +03:00 • committed by Greg Kroah-Hartman

parent abe2792fab

commit c6210760f2

1 changed files with 4 additions and 2 deletions

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drivers/net/ethernet/intel/e1000e/netdev.c

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