Andrea Righi c2c6331064 xen-netfront: fix potential deadlock in xennet_remove() ... There's a potential race in xennet_remove(); this is what the driver is doing upon unregistering a network device: 1. state = read bus state 2. if state is not "Closed": 3. request to set state to "Closing" 4. wait for state to be set to "Closing" 5. request to set state to "Closed" 6. wait for state to be set to "Closed" If the state changes to "Closed" immediately after step 1 we are stuck forever in step 4, because the state will never go back from "Closed" to "Closing". Make sure to check also for state == "Closed" in step 4 to prevent the deadlock. Also add a 5 sec timeout any time we wait for the bus state to change, to avoid getting stuck forever in wait_event(). Signed-off-by: Andrea Righi <andrea.righi@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2020-07-24 17:02:01 -07:00
..
appletalk	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
arcnet	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
bonding	bonding: check return value of register_netdevice() in bond_newlink()	2020-07-23 15:17:04 -07:00
caif	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
can	can: peak_canfd: Replace zero-length array with flexible-array	2020-06-15 23:08:31 -05:00
dsa	net: dsa: microchip: call phy_remove_link_mode during probe	2020-07-21 15:50:02 -07:00
ethernet	cxgb4: add missing release on skb in uld_send()	2020-07-22 20:04:17 -07:00
fddi	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
fjes
hamradio	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-06-13 16:27:13 -07:00
hippi	hippi: Fix a size used in a 'pci_free_consistent()' in an error handling path	2020-07-14 14:11:49 -07:00
hyperv	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next	2020-06-03 16:27:18 -07:00
ieee802154	net: ieee802154: adf7242: Replace HTTP links with HTTPS ones	2020-07-20 08:51:38 +02:00
ipa	net: ipa: include declarations in "ipa_gsi.c"	2020-07-07 12:43:18 -07:00
ipvlan
netdevsim	netdevsim: fix unbalaced locking in nsim_create()	2020-07-21 16:00:43 -07:00
phy	net: dp83640: fix SIOCSHWTSTAMP to update the struct with actual configuration	2020-07-16 13:27:40 -07:00
plip	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
ppp	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
slip	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
team	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
usb	ax88172a: fix ax88172a_unbind() failures	2020-07-15 18:26:29 -07:00
vmxnet3	vmxnet3: allow rx flow hash ops only when rss is enabled	2020-06-02 15:12:33 -07:00
wan	drivers/net/wan/x25_asy: Fix to make it work	2020-07-21 18:28:36 -07:00
wimax
wireguard	wireguard: queueing: make use of ip_tunnel_parse_protocol	2020-06-30 12:29:39 -07:00
wireless	wireless-drivers fixes for v5.8	2020-07-13 17:43:31 -07:00
xen-netback
bareudp.c	bareudp: Fixed multiproto mode configuration	2020-06-18 20:31:11 -07:00
dummy.c
eql.c
geneve.c	geneve: fix an uninitialized value in geneve_changelink()	2020-07-23 15:19:58 -07:00
gtp.c
ifb.c
Kconfig	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
LICENSE.SRC
loopback.c
macsec.c	net: get rid of lockdep_set_class_and_subclass()	2020-06-28 21:37:23 -07:00
macvlan.c	net: get rid of lockdep_set_class_and_subclass()	2020-06-28 21:37:23 -07:00
macvtap.c
Makefile
mdio.c
mii.c
net_failover.c	net_failover: fixed rollback in net_failover_open()	2020-06-02 15:35:53 -07:00
netconsole.c
nlmon.c
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c
tap.c
thunderbolt.c
tun.c	tun: implement header_ops->parse_protocol for AF_PACKET	2020-06-30 12:29:39 -07:00
veth.c	xdp: Rename convert_to_xdp_frame in xdp_convert_buff_to_frame	2020-06-01 15:02:53 -07:00
virtio_net.c	xdp: Rename convert_to_xdp_frame in xdp_convert_buff_to_frame	2020-06-01 15:02:53 -07:00
vrf.c
vsockmon.c
vxlan.c	vxlan: fix last fdb index during dump of fdb with nhid	2020-06-25 16:12:34 -07:00
xen-netfront.c	xen-netfront: fix potential deadlock in xennet_remove()	2020-07-24 17:02:01 -07:00