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Marcel Holtmann 781f899f2f Bluetooth: Fix race condition with user channel and setup stage 
During the initial setup stage of a controller, the low-level transport
is actually active. This means that HCI_UP is true. To avoid toggling
the transport off and back on again for normal operation the kernel
holds a grace period with HCI_AUTO_OFF that will turn the low-level
transport off in case no user is present.

The idea of the grace period is important to avoid having to initialize
all of the controller twice. So legacy ioctl and the new management
interface knows how to clear this grace period and then start normal
operation.

For the user channel operation this grace period has not been taken into
account which results in the problem that HCI_UP and HCI_AUTO_OFF are
set and the kernel will return EBUSY. However from a system point of
view the controller is ready to be grabbed by either the ioctl, the
management interface or the user channel.

This patch brings the user channel to the same level as the other two
entries for operating a controller.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: stable@vger.kernel.org
2015-06-08 11:04:49 +03:00
..
6lowpan 6lowpan: nhc: add other known rfc6282 compressions 2015-02-14 23:08:44 +01:00
9p 9p: patches for 4.1 merge window 2015-04-18 17:45:30 -04:00
802 net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
8021q vlan: Correctly propagate promisc|allmulti flags in notifier. 2015-05-14 00:54:32 -04:00
appletalk net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
atm net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
ax25 net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
batman-adv batman-adv: Use common declaration order in *_send_skb_(packet|unicast) 2015-05-29 10:13:37 +02:00
bluetooth Bluetooth: Fix race condition with user channel and setup stage 2015-06-08 11:04:49 +03:00
bridge bridge: skip fdb add if the port shouldn't learn 2015-05-25 20:29:54 -04:00
caif net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
can net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
ceph net: Add a struct net parameter to sock_create_kern 2015-05-11 10:50:17 -04:00
core netevent: remove automatic variable in register_netevent_notifier() 2015-05-31 00:03:21 -07:00
dcb net/dcb: Add IEEE QCN attribute 2015-03-06 21:50:02 -05:00
dccp inet: fix possible panic in reqsk_queue_unlink() 2015-04-24 11:39:15 -04:00
decnet net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
dns_resolver
dsa switchdev: don't use anonymous union on switchdev attr/obj structs 2015-05-13 14:20:59 -04:00
ethernet flow_dissect: use programable dissector in skb_flow_dissect and friends 2015-05-13 15:19:47 -04:00
hsr net/hsr: Fix NULL pointer dereference and refcnt bugs when deleting a HSR interface. 2015-03-01 13:40:23 -05:00
ieee802154 nl802154: export supported commands 2015-06-04 12:27:15 +02:00
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-05-31 00:02:30 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-05-31 00:02:30 -07:00
ipx net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
irda irda: use msecs_to_jiffies for conversion to jiffies 2015-05-25 17:46:21 -04:00
iucv net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
key net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
l2tp net: Modify sk_alloc to not reference count the netns of kernel sockets. 2015-05-11 10:50:18 -04:00
lapb
llc net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
mac802154 mac802154: remove unneeded vif struct 2015-06-07 09:13:32 +02:00
mpls mpls: Change reserved label names to be consistent with netbsd 2015-05-09 22:29:50 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-05-31 00:02:30 -07:00
netlabel netlink: implement nla_put_in_addr and nla_put_in6_addr 2015-03-31 13:58:35 -04:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
netrom net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
nfc net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
openvswitch geneve: Rename support library as geneve_core 2015-05-13 15:59:13 -04:00
packet net-packet: fix null pointer exception in rollover mode 2015-05-17 22:41:38 -04:00
phonet net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-13 14:31:43 -04:00
rfkill
rose net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
rxrpc net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
sctp ipv6: Add rt6_get_cookie() function 2015-05-25 13:25:34 -04:00
sunrpc svcrpc: fix potential GSSX_ACCEPT_SEC_CONTEXT decoding failures 2015-05-04 12:02:40 -04:00
switchdev Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
tipc tipc: unconditionally put sock refcnt when sock timer to be deleted is pending 2015-05-30 18:08:37 -07:00
unix net: af_unix: implement splice for stream af_unix sockets 2015-05-25 00:06:59 -04:00
vmw_vsock net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
wimax
wireless cfg80211: change GO_CONCURRENT to IR_CONCURRENT for STA 2015-05-06 15:50:02 +02:00
x25 net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2015-05-28 20:23:01 -07:00
compat.c net: switch importing msghdr from userland to {compat_,}import_iovec() 2015-04-09 00:02:26 -04:00
Kconfig net: add CONFIG_NET_INGRESS to enable ingress filtering 2015-05-14 01:10:05 -04:00
Makefile mpls: Refactor how the mpls module is built 2015-03-04 00:26:06 -05:00
socket.c net: Add a struct net parameter to sock_create_kern 2015-05-11 10:50:17 -04:00
sysctl_net.c