From: remi.denis-courmont@nokia Date: Fri, 23 Jan 2009 03:00:29 +0000 (+0000) Subject: Phonet: remove useless locking in device cleanup X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6530e0fee1834fab51720769ac422186de2b3120;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git Phonet: remove useless locking in device cleanup Incoming packets and sockets are already gone. The netdevice notifier is unregistered under the RTNL lock There remains a race with the rtnetlink handlers unregistration, but it is a generic RTNL issue that was already present before this change. Signed-off-by: Rémi Denis-Courmont Signed-off-by: David S. Miller --- diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c index fd418107652b..3e24c0522ee3 100644 --- a/net/phonet/pn_dev.c +++ b/net/phonet/pn_dev.c @@ -204,13 +204,8 @@ void phonet_device_exit(void) struct phonet_device *pnd, *n; rtnl_unregister_all(PF_PHONET); - rtnl_lock(); - spin_lock_bh(&pndevs.lock); + unregister_netdevice_notifier(&phonet_device_notifier); list_for_each_entry_safe(pnd, n, &pndevs.list, list) __phonet_device_free(pnd); - - spin_unlock_bh(&pndevs.lock); - rtnl_unlock(); - unregister_netdevice_notifier(&phonet_device_notifier); }