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ieee802154: hwsim: using right kind of iteration

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This patch fixes the error path to unsubscribe all other phy's from
current phy. The actually code using a wrong kind of list iteration may
copied from the case to unsubscribe the current phy from all other
phy's.

Cc: Stefan Schmidt <stefan@datenfreihafen.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Aring 2018-08-12 16:24:56 -04:00 committed by David S. Miller
parent ac272a3e9c
commit 1c89a8e3d9
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ieee802154/mac802154_hwsim.c
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@ -735,10 +735,12 @@ static int hwsim_subscribe_all_others(struct hwsim_phy *phy)
return 0;
me_fail:
list_for_each_entry(phy, &hwsim_phys, list) {
rcu_read_lock();
list_for_each_entry_rcu(e, &phy->edges, list) {
list_del_rcu(&e->list);
hwsim_free_edge(e);
}
rcu_read_unlock();
sub_fail:
hwsim_edge_unsubscribe_me(phy);
return -ENOMEM;