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Commit a1faa698 authored by Jens Rosenboom's avatar Jens Rosenboom Committed by David S. Miller
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ipv6: avoid wraparound for expired preferred lifetime



Avoid showing wrong high values when the preferred lifetime of an address
is expired.

Signed-off-by: default avatarJens Rosenboom <me@jayr.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1ac530b3
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+4 −1
Original line number Diff line number Diff line
@@ -3362,7 +3362,10 @@ static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa,
		valid = ifa->valid_lft;
		if (preferred != INFINITY_LIFE_TIME) {
			long tval = (jiffies - ifa->tstamp)/HZ;
			if (preferred > tval)
				preferred -= tval;
			else
				preferred = 0;
			if (valid != INFINITY_LIFE_TIME)
				valid -= tval;
		}