ixgb: fix race on rx_buffer_len in mtu change

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some random coverage testing found that when changing mtu
under heavy traffic load, NAPI would use the rx_buffer_len variable
after it had been changed by change_mtu.

Similar to e1000 bugs found long ago.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

...

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Jesse Brandeburg 2008-07-08 15:51:42 -07:00 • committed by Jeff Garzik

parent 3433663546

commit b5ca88eb33

1 changed files with 7 additions and 3 deletions

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drivers/net/ixgb/ixgb_main.c

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