e1000: remove races when changing mtu

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this patch fixes a bug that occurs when routing packets and simultaneously
changing the mtu.  the rx_buffer_len variable is used during the rx cleanup
and if that changes on the fly without stopping traffic bad things happen

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jesse Brandeburg 2009-09-25 12:19:02 +00:00 • committed by David S. Miller

parent 8fce47317f

commit 3d6114e71d

1 changed files with 14 additions and 2 deletions

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drivers/net/e1000/e1000_main.c

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