From cf585ae8ae9ac7287a6d078425ea32f22bf7f1f7 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Tue, 8 Jan 2008 23:44:44 -0800 Subject: [PATCH] [CONNECTOR]: Don't touch queue dev after decrement of ref count. cn_queue_free_callback() will touch 'dev'(i.e. cbq->pdev), so it should be called before atomic_dec(&dev->refcnt). Signed-off-by: Li Zefan Signed-off-by: David S. Miller --- drivers/connector/cn_queue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 296f51002b55..12ceed54ab18 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -99,8 +99,8 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id spin_unlock_bh(&dev->queue_lock); if (found) { - atomic_dec(&dev->refcnt); cn_queue_free_callback(cbq); + atomic_dec(&dev->refcnt); return -EINVAL; } -- 2.34.1