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| author | Andrei Emeltchenko <andrei.emeltchenko@intel.com> | 2012-02-02 10:32:18 +0200 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2012-02-13 17:01:32 +0200 |
| commit | 2a5a5ec620a29d4ba07743c3151cdf0a417c8f8c (patch) | |
| tree | a135890c9ad5aedd305f0ad905fb81ddaeddfddf /net/bluetooth/hci_conn.c | |
| parent | 3c4e0df028935618d052235ba85bc7079be13394 (diff) | |
| download | linux-2a5a5ec620a29d4ba07743c3151cdf0a417c8f8c.tar.gz linux-2a5a5ec620a29d4ba07743c3151cdf0a417c8f8c.tar.bz2 linux-2a5a5ec620a29d4ba07743c3151cdf0a417c8f8c.zip | |
Bluetooth: Use list _safe deleting from conn chan_list
Fixes possible bug when deleting element from the list in
function hci_chan_list_flush. list_for_each_entry_rcu is used
and after deleting element from the list we also free pointer
and then list_entry_rcu is taken from freed pointer.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/hci_conn.c')
| -rw-r--r-- | net/bluetooth/hci_conn.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index b074bd698cf6..b4ecddee11b5 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -975,10 +975,10 @@ int hci_chan_del(struct hci_chan *chan) void hci_chan_list_flush(struct hci_conn *conn) { - struct hci_chan *chan; + struct hci_chan *chan, *n; BT_DBG("conn %p", conn); - list_for_each_entry_rcu(chan, &conn->chan_list, list) + list_for_each_entry_safe(chan, n, &conn->chan_list, list) hci_chan_del(chan); } |