Messages in this thread | | | Date | Tue, 6 Dec 2016 13:29:31 +0100 | From | Jiri Pirko <> | Subject | Re: [PATCH] net:switchdev: fix to release the lock before function return to avoid deadlock |
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Tue, Dec 06, 2016 at 11:09:24AM CET, feng.deng@cortina-access.com wrote: >before switchdev_deferred_dequeue() normal return,show release the lock, >if not,maybe there will be deadlock sometimes > >Signed-off-by: Feng Deng <feng.deng@cortina-access.com> >--- > net/switchdev/switchdev.c | 1 + > 1 file changed, 1 insertion(+) > >diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c >index 3b95fe9..c0a1ad4 100644 >--- a/net/switchdev/switchdev.c >+++ b/net/switchdev/switchdev.c >@@ -120,6 +120,7 @@ static struct switchdev_deferred_item *switchdev_deferred_dequeue(void) > dfitem = list_first_entry(&deferred, > struct switchdev_deferred_item, list); > list_del(&dfitem->list); >+ spin_unlock_bh(&deferred_lock); > unlock: > spin_unlock_bh(&deferred_lock);
You are joking right?
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