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Jonathan Lemon 9bd01a33c7 xdp: obtain the mem_id mutex before trying to remove an entry. 
[ Upstream commit 86c76c09898332143be365c702cf8d586ed4ed21 ]

A lockdep splat was observed when trying to remove an xdp memory
model from the table since the mutex was obtained when trying to
remove the entry, but not before the table walk started:

Fix the splat by obtaining the lock before starting the table walk.

Fixes: c3f812cea0d7 ("page_pool: do not release pool until inflight == 0.")
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-18 16:09:10 +01:00
..
6lowpan
6lowpan: no need to check return value of debugfs_create functions
2019-07-06 12:50:01 +02:00
9p
9p pull request for inclusion in 5.4
2019-09-27 15:10:34 -07:00
802
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
8021q
net: remove unnecessary variables and callback
2019-10-24 14:53:49 -07:00
appletalk
appletalk: enforce CAP_NET_RAW for raw sockets
2019-09-24 16:37:18 +02:00
atm
net: atm: Reduce the severity of logging in unlink_clip_vcc
2019-11-18 17:08:20 -08:00
ax25
ax25: enforce CAP_NET_RAW for raw sockets
2019-09-24 16:37:18 +02:00
batman-adv
Here are two batman-adv bugfixes:
2019-10-28 16:39:07 -07:00
bluetooth
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
bpf
bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN
2019-07-25 18:00:41 -07:00
bpfilter
Kbuild updates for v5.3
2019-07-12 16:03:16 -07:00
bridge
net: bridge: deny dev_set_mac_address() when unregistering
2019-12-18 16:08:19 +01:00
caif
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
can
can: j1939: warn if resources are still linked on destroy
2019-11-13 10:42:34 +01:00
ceph
libceph: use ceph_kvmalloc() for osdmap arrays
2019-09-16 12:06:25 +02:00
core
xdp: obtain the mem_id mutex before trying to remove an entry.
2019-12-18 16:09:10 +01:00
dcb
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
dccp
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
decnet
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
dns_resolver
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
dsa
net: dsa: tag_8021q: Fix dsa_8021q_restore_pvid for an absent pvid
2019-11-16 12:23:53 -08:00
ethernet
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-07 11:00:14 -07:00
hsr
hsr: fix a NULL pointer dereference in hsr_dev_xmit()
2019-12-18 16:08:54 +01:00
ieee802154
net: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
ife
net: Fix Kconfig indentation
2019-09-26 08:56:17 +02:00
ipv4
gre: refetch erspan header from skb->data after pskb_may_pull()
2019-12-18 16:08:51 +01:00
ipv6
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
iucv
net/af_iucv: mark expected switch fall-throughs
2019-07-29 10:26:14 -07:00
kcm
kcm: disable preemption in kcm_parse_func_strparser()
2019-09-27 10:27:14 +02:00
key
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-07-08 19:48:57 -07:00
l2tp
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
l3mdev
ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF
2019-06-23 13:24:17 -07:00
lapb
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-17 20:20:36 -07:00
llc
net: silence KCSAN warnings around sk_add_backlog() calls
2019-10-09 21:42:59 -07:00
mac80211
mac80211: fix station inactive_time shortly after boot
2019-11-08 09:17:28 +01:00
mac802154
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
mpls
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
ncsi
net/ncsi: Disable global multicast filter
2019-09-19 18:04:40 -07:00
netfilter
net: core: rename indirect block ingress cb function
2019-12-18 16:08:47 +01:00
netlabel
netlabel: remove redundant assignment to pointer iter
2019-09-01 11:45:02 -07:00
netlink
net: remove empty netlink_tap_exit_net
2019-06-14 19:50:33 -07:00
netrom
net: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
nfc
nfc: netlink: fix double device reference drop
2019-11-07 15:23:19 -08:00
nsh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
openvswitch
net: Fixed updating of ethertype in skb_mpls_push()
2019-12-18 16:08:56 +01:00
packet
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
phonet
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
psample
net: psample: fix skb_over_panic
2019-12-04 22:30:54 +01:00
qrtr
net: qrtr: Stop rx_worker before freeing node
2019-09-21 18:45:46 -07:00
rds
rds: ib: update WR sizes when bringing up connection
2019-11-16 12:59:08 -08:00
rfkill
rfkill: allocate static minor
2019-12-13 08:43:18 +01:00
rose
net: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
rxrpc
rxrpc: Fix handling of last subpacket of jumbo packet
2019-10-31 12:23:09 -07:00
sched
act_ct: support asymmetric conntrack
2019-12-18 16:08:59 +01:00
sctp
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
smc
net/smc: fix fastopen for non-blocking connect()
2019-11-16 13:03:33 -08:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-22 08:59:24 -04:00
sunrpc
SUNRPC: Avoid RPC delays when exiting suspend
2019-12-13 08:42:34 +01:00
switchdev
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tipc
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
tls
net/tls: Fix return values to avoid ENOTSUPP
2019-12-18 16:08:31 +01:00
unix
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
vmw_vsock
vsock/virtio: fix sock refcnt holding during the shutdown
2019-11-08 12:17:50 -08:00
wimax
wimax: no need to check return value of debugfs_create functions
2019-08-10 15:25:47 -07:00
wireless
nl80211: fix validation of mesh path nexthop
2019-10-30 10:11:18 +01:00
x25
net: silence KCSAN warnings around sk_add_backlog() calls
2019-10-09 21:42:59 -07:00
xdp
xsk: Fix registration of Rx-only sockets
2019-10-23 20:22:11 -07:00
xfrm
xfrm: release device reference for invalid state
2019-11-12 08:24:38 +01:00
compat.c
uio: make import_iovec()/compat_import_iovec() return bytes on success
2019-05-31 15:30:03 -06:00
Kconfig
devlink: Add packet trap infrastructure
2019-08-17 12:40:08 -07:00
Makefile
…
socket.c
net: disallow ancillary data for __sys_{send,recv}msg_file()
2019-12-04 22:30:44 +01:00
sysctl_net.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00