diff options
| author | Pavel Emelyanov <xemul@openvz.org> | 2008-05-05 03:00:36 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-05 03:00:36 +0200 |
| commit | 1e0ba0060ffcee2e766ec3159196235b1a2a0ff3 (patch) | |
| tree | 7678778bf09f9822db4541497efd9cd6b4fd571f /net/atm/br2684.c | |
| parent | atm: Do not free already unregistered net device. (diff) | |
| download | linux-1e0ba0060ffcee2e766ec3159196235b1a2a0ff3.tar.xz linux-1e0ba0060ffcee2e766ec3159196235b1a2a0ff3.zip | |
atm: Bad locking on br2684_devs modifications.
The list_del happens under read-locked devs_lock.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/atm/br2684.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/atm/br2684.c b/net/atm/br2684.c index 3a74ff8ca45d..13858e2675c5 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c @@ -346,9 +346,9 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb) /* skb==NULL means VCC is being destroyed */ br2684_close_vcc(brvcc); if (list_empty(&brdev->brvccs)) { - read_lock(&devs_lock); + write_lock_irq(&devs_lock); list_del(&brdev->br2684_devs); - read_unlock(&devs_lock); + write_unlock_irq(&devs_lock); unregister_netdev(net_dev); } return; |