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(parent: 52793db) | patch
netfilter: ctnetlink: fix timeout calculation
authorXi Wang <xi.wang@gmail.com>
Fri, 30 Dec 2011 15:40:17 +0000 (10:40 -0500)
committerPablo Neira Ayuso <pablo@netfilter.org>
Sat, 31 Dec 2011 15:59:04 +0000 (16:59 +0100)
commitc121638277a71c1e1fb44c3e654ea353357bbc2c
treeeacfd2881aa785c462587ab8173461b96c396771tree | snapshot
parent52793dbe3d60bd73bbebe28b2bfc9f6b4b920d4ccommit | diff
netfilter: ctnetlink: fix timeout calculation

The sanity check (timeout < 0) never works; the dividend is unsigned
and so is the division, which should have been a signed division.

long timeout = (ct->timeout.expires - jiffies) / HZ;
if (timeout < 0)
timeout = 0;

This patch converts the time values to signed for the division.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nf_conntrack_netlink.c diff | blob | history
Domain: System / Kernel;