From 1e0ba0060ffcee2e766ec3159196235b1a2a0ff3 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Sun, 4 May 2008 18:00:36 -0700 Subject: atm: Bad locking on br2684_devs modifications. The list_del happens under read-locked devs_lock. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/atm/br2684.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/atm') 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; -- cgit v1.2.3