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Johannes Berg 788f129f63 wifi: mac80211: recalc chanctx mindef before assigning 
[ Upstream commit 04312de4ced4b152749614e8179f3978a20a992f ]

When we allocate a new channel context, or find an existing one
that is compatible, we currently assign it to a link before its
mindef is updated. This leads to strange situations, especially
in link switching where you switch to an 80 MHz link and expect
it to be active immediately, but the mindef is still configured
to 20 MHz while assigning.  Also, it's strange that the chandef
passed to the assign method's argument is wider than the one in
the context.

Fix this by calculating the mindef with the new link considered
before calling the driver.

In particular, this fixes an iwlwifi problem during link switch
where the firmware would assert because the (link) station that
was added for the AP is configured to transmit at a bandwidth
that's wider than the channel context that it's configured on.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230504134511.828474-5-gregory.greenman@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-06-09 10:34:15 +02:00
..
6lowpan
9p 9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition 2023-04-20 12:35:08 +02:00
802 mrp: introduce active flags to prevent UAF when applicant uninit 2022-12-31 13:33:02 +01:00
8021q vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit() 2023-05-24 17:32:47 +01:00
appletalk
atm net/atm: fix proc_mpc_write incorrect return value 2022-10-15 11:08:36 +01:00
ax25
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-09-22 13:02:10 -07:00
bluetooth bluetooth: Add cmd validity checks at the start of hci_sock_ioctl() 2023-06-05 09:26:21 +02:00
bpf Revert "bpf, test_run: fix &xdp_frame misplacement for LIVE_FRAMES" 2023-03-17 08:50:32 +01:00
bpfilter
bridge bridge: always declare tunnel functions 2023-05-24 17:32:48 +01:00
caif net: caif: Fix use-after-free in cfusbl_device_notify() 2023-03-17 08:50:24 +01:00
can can: isotp: recvmsg(): allow MSG_CMSG_COMPAT flag 2023-05-24 17:32:49 +01:00
ceph use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
core rtnetlink: call validate_linkmsg in rtnl_create_link 2023-06-09 10:34:05 +02:00
dcb
dccp netfilter: keep conntrack reference until IPsecv6 policy checks are done 2023-05-11 23:03:18 +09:00
dns_resolver
dsa net: dsa: tag_brcm: legacy: fix daisy-chained switches 2023-03-30 12:49:09 +02:00
ethernet net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
ethtool ethtool: Fix uninitialized number of lanes 2023-05-17 11:53:37 +02:00
hsr hsr: ratelimit only when errors are printed 2023-04-06 12:10:58 +02:00
ieee802154 net: ieee802154: fix error return code in dgram_bind() 2022-10-07 09:29:17 +02:00
ife
ipv4 tcp: fix mishandling when the sack compression is deferred. 2023-06-09 10:34:05 +02:00
ipv6 ipv{4,6}/raw: fix output xfrm lookup wrt protocol 2023-06-05 09:26:16 +02:00
iucv net/iucv: Fix size of interrupt data 2023-03-22 13:33:50 +01:00
kcm kcm: close race conditions on sk_receive_queue 2022-11-15 12:42:26 +01:00
key af_key: Reject optional tunnel/BEET mode templates in outbound policies 2023-05-24 17:32:43 +01:00
l2tp inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy(). 2023-04-26 14:28:43 +02:00
l3mdev
lapb
llc net: deal with most data-races in sk_wait_event() 2023-05-24 17:32:32 +01:00
mac80211 wifi: mac80211: recalc chanctx mindef before assigning 2023-06-09 10:34:15 +02:00
mac802154 mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add() 2022-12-05 09:53:08 +01:00
mctp net: mctp: purge receive queues on sk destruction 2023-02-06 08:06:34 +01:00
mpls net: mpls: fix stale pointer if allocation fails during device rename 2023-02-22 12:59:53 +01:00
mptcp mptcp: add annotations around sk->sk_shutdown accesses 2023-06-09 10:34:06 +02:00
ncsi net/ncsi: clear Tx enable mode when handling a Config required AEN 2023-05-17 11:53:32 +02:00
netfilter netfilter: ctnetlink: Support offloaded conntrack entry deletion 2023-06-05 09:26:22 +02:00
netlabel genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report 2023-06-09 10:34:03 +02:00
netrom netrom: fix info-leak in nr_write_internal() 2023-06-09 10:34:01 +02:00
nfc nfc: change order inside nfc_se_io error path 2023-03-17 08:50:17 +01:00
nsh net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment() 2023-05-24 17:32:45 +01:00
openvswitch net: openvswitch: fix race on port output 2023-04-20 12:35:09 +02:00
packet af_packet: do not use READ_ONCE() in packet_bind() 2023-06-09 10:34:02 +02:00
phonet
psample genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
qrtr net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume() 2023-04-20 12:35:09 +02:00
rds rds: rds_rm_zerocopy_callback() correct order for list_add_tail() 2023-03-10 09:33:02 +01:00
rfkill
rose net/rose: Fix to not accept on connected socket 2023-02-22 12:59:42 +01:00
rxrpc rxrpc: Fix hard call timeout units 2023-05-17 11:53:35 +02:00
sched net/sched: flower: fix possible OOB write in fl_set_geneve_opt() 2023-06-09 10:34:04 +02:00
sctp inet: Add IP_LOCAL_PORT_RANGE socket option 2023-06-05 09:26:16 +02:00
smc net/smc: Don't use RMBs not mapped to new link in SMCRv2 ADD LINK 2023-06-09 10:34:03 +02:00
strparser
sunrpc nfsd: fix double fget() bug in __write_ports_addfd() 2023-06-09 10:34:04 +02:00
switchdev
tipc tipc: check the bearer min mtu properly when setting it by netlink 2023-05-24 17:32:46 +01:00
tls tls: improve lockless access safety of tls_err_abort() 2023-06-09 10:34:01 +02:00
unix bpf, sockmap: Pass skb ownership through read_skb 2023-06-05 09:26:18 +02:00
vmw_vsock vsock: avoid to close connected socket after the timeout 2023-05-24 17:32:44 +01:00
wireless wifi: cfg80211: Drop entries with invalid BSSIDs in RNR 2023-05-24 17:32:46 +01:00
x25 net/x25: Fix to not accept on connected socket 2023-02-09 11:28:13 +01:00
xdp xsk: Fix unaligned descriptor validation 2023-05-11 23:03:21 +09:00
xfrm xfrm: Check if_id in inbound policy/secpath match 2023-06-09 10:34:10 +02:00
compat.c use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
devres.c
Kconfig
Kconfig.debug net: make NET_(DEV|NS)_REFCNT_TRACKER depend on NET 2022-09-20 14:23:56 -07:00
Makefile
socket.c net: annotate sk->sk_err write from do_recvmmsg() 2023-05-24 17:32:32 +01:00
sysctl_net.c