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net: ipv6: Cancel the prefix timer before setting it again

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If the earlier prefix timeout is not cancelled before setting
it again, the system will hang.

Change-Id: I6e271294c8e5d43e3ceae4780b5d1c26bab2b296
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2017-03-14 14:49:39 +02:00
parent f7a5612ba2
commit 51dea40f80
1 changed files with 2 additions and 0 deletions
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2
subsys/net/ip/net_if.c
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@ -907,6 +907,8 @@ void net_if_ipv6_prefix_set_timer(struct net_if_ipv6_prefix *prefix,
NET_DBG("Prefix lifetime %u ms", timeout);
net_if_ipv6_prefix_unset_timer(prefix);
k_delayed_work_init(&prefix->lifetime, prefix_lf_timeout);
k_delayed_work_submit(&prefix->lifetime, timeout);
}