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| author | Pavel Emelyanov <xemul@openvz.org> | 2008-05-04 18:00:36 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-04 18:00:36 -0700 |
| commit | 1e0ba0060ffcee2e766ec3159196235b1a2a0ff3 (patch) | |
| tree | 7678778bf09f9822db4541497efd9cd6b4fd571f /net/atm | |
| parent | 65e4113684e50cee75357ce10dc9026b0929e4e9 (diff) | |
| download | lwn-1e0ba0060ffcee2e766ec3159196235b1a2a0ff3.tar.gz lwn-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 'net/atm')
| -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; |