ipv6: Clamp reported valid_lft to a minimum of 0

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Since addresses are only revalidated every 2 minutes, the reported
valid_lft can underflow shortly before the address is deleted.
Clamp it to a minimum of 0, as for prefered_lft.

Reported-by: Piotr Lewandowski <piotr.lewandowski@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ben Hutchings 2010-06-26 11:37:47 +00:00 • committed by David S. Miller

parent 5a9dbfe08e

commit f56619fc72

1 changed files with 6 additions and 2 deletions

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net/ipv6/addrconf.c

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