netxen: fix race in tx ring acccess

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Fix the distance check between tx ring producer and consumer that
could lead to tx ring wrap around.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Dhananjay Phadke 2009-05-05 19:05:06 +00:00 • committed by David S. Miller

parent 78a658d972

commit 22527864ed

3 changed files with 8 additions and 7 deletions

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4

drivers/net/netxen/netxen_nic_hw.c

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8

drivers/net/netxen/netxen_nic_init.c

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3

drivers/net/netxen/netxen_nic_main.c

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