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| author | Marcel Holtmann <marcel@holtmann.org> | 2006-10-20 08:55:48 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-10-20 01:15:05 -0700 |
| commit | 7b19ffc40b0247fcfe083644fdb621fdb3c05ef6 (patch) | |
| tree | 4980d57a434ba6fbba1b9c566e531158d8de9327 /net/bluetooth | |
| parent | 8602b4fe6e82d5eeb479efd3bca19bc3dd722f5a (diff) | |
| download | linux-7b19ffc40b0247fcfe083644fdb621fdb3c05ef6.tar.gz linux-7b19ffc40b0247fcfe083644fdb621fdb3c05ef6.tar.bz2 linux-7b19ffc40b0247fcfe083644fdb621fdb3c05ef6.zip | |
[Bluetooth] Fix HID disconnect NULL pointer dereference
The latest HID disconnect sequence change introduced a NULL pointer
dereference. For the quirk to handle buggy remote HID implementations,
it is enough to wait for a potential control channel disconnect from
the remote side and it is also enough to wait only 500 msecs.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hidp/core.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 9a562cf7406b..66782010f82c 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -507,12 +507,10 @@ static int hidp_session(void *arg) hidp_del_timer(session); - if (intr_sk->sk_state != BT_CONNECTED) - wait_event_timeout(*(ctrl_sk->sk_sleep), (ctrl_sk->sk_state == BT_CLOSED), HZ); - fput(session->intr_sock->file); - wait_event_timeout(*(intr_sk->sk_sleep), (intr_sk->sk_state == BT_CLOSED), HZ); + wait_event_timeout(*(ctrl_sk->sk_sleep), + (ctrl_sk->sk_state == BT_CLOSED), msecs_to_jiffies(500)); fput(session->ctrl_sock->file); |