diff options
| author | Alexander Aring <aring@mojatatu.com> | 2018-08-12 16:24:56 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-14 09:58:57 -0700 |
| commit | 1c89a8e3d9a235454169e189ea6c463bfa8749ab (patch) | |
| tree | 0f96a49cda7620855100c5ac60b9a0d383f248f1 /drivers/net/ieee802154 | |
| parent | ac272a3e9c0838a2cbc76327e29788dc2af49abe (diff) | |
| download | linux-1c89a8e3d9a235454169e189ea6c463bfa8749ab.tar.bz2 | |
ieee802154: hwsim: using right kind of iteration
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>
Diffstat (limited to 'drivers/net/ieee802154')
| -rw-r--r-- | drivers/net/ieee802154/mac802154_hwsim.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c index 07a493dea11e..bf70ab892e69 100644 --- a/drivers/net/ieee802154/mac802154_hwsim.c +++ b/drivers/net/ieee802154/mac802154_hwsim.c @@ -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; |