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0795fb2021
ncsi_channel_monitor() misses stopping the channel monitor in several
places that it should, causing a WARN_ON_ONCE() to trigger when the
monitor is re-started later, eg:
[ 459.040000] WARNING: CPU: 0 PID: 1093 at net/ncsi/ncsi-manage.c:269 ncsi_start_channel_monitor+0x7c/0x90
[ 459.040000] CPU: 0 PID: 1093 Comm: kworker/0:3 Not tainted 4.10.17-gaca2fdd #140
[ 459.040000] Hardware name: ASpeed SoC
[ 459.040000] Workqueue: events ncsi_dev_work
[ 459.040000] [<80010094>] (unwind_backtrace) from [<8000d950>] (show_stack+0x20/0x24)
[ 459.040000] [<8000d950>] (show_stack) from [<801dbf70>] (dump_stack+0x20/0x28)
[ 459.040000] [<801dbf70>] (dump_stack) from [<80018d7c>] (__warn+0xe0/0x108)
[ 459.040000] [<80018d7c>] (__warn) from [<80018e70>] (warn_slowpath_null+0x30/0x38)
[ 459.040000] [<80018e70>] (warn_slowpath_null) from [<803f6a08>] (ncsi_start_channel_monitor+0x7c/0x90)
[ 459.040000] [<803f6a08>] (ncsi_start_channel_monitor) from [<803f7664>] (ncsi_configure_channel+0xdc/0x5fc)
[ 459.040000] [<803f7664>] (ncsi_configure_channel) from [<803f8160>] (ncsi_dev_work+0xac/0x474)
[ 459.040000] [<803f8160>] (ncsi_dev_work) from [<8002d244>] (process_one_work+0x1e0/0x450)
[ 459.040000] [<8002d244>] (process_one_work) from [<8002d510>] (worker_thread+0x5c/0x570)
[ 459.040000] [<8002d510>] (worker_thread) from [<80033614>] (kthread+0x124/0x164)
[ 459.040000] [<80033614>] (kthread) from [<8000a5e8>] (ret_from_fork+0x14/0x2c)
This also updates the monitor instead of just returning if
ncsi_xmit_cmd() fails to send the get-link-status command so that the
monitor properly times out.
Fixes:
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.. | ||
6lowpan | ||
9p | ||
802 | ||
8021q | ||
appletalk | ||
atm | ||
ax25 | ||
batman-adv | ||
bluetooth | ||
bpf | ||
bridge | ||
caif | ||
can | ||
ceph | ||
core | ||
dcb | ||
dccp | ||
decnet | ||
dns_resolver | ||
dsa | ||
ethernet | ||
hsr | ||
ieee802154 | ||
ife | ||
ipv4 | ||
ipv6 | ||
ipx | ||
iucv | ||
kcm | ||
key | ||
l2tp | ||
l3mdev | ||
lapb | ||
llc | ||
mac80211 | ||
mac802154 | ||
mpls | ||
ncsi | ||
netfilter | ||
netlabel | ||
netlink | ||
netrom | ||
nfc | ||
nsh | ||
openvswitch | ||
packet | ||
phonet | ||
psample | ||
qrtr | ||
rds | ||
rfkill | ||
rose | ||
rxrpc | ||
sched | ||
sctp | ||
smc | ||
strparser | ||
sunrpc | ||
switchdev | ||
tipc | ||
tls | ||
unix | ||
vmw_vsock | ||
wimax | ||
wireless | ||
x25 | ||
xfrm | ||
compat.c | ||
Kconfig | ||
Makefile | ||
socket.c | ||
sysctl_net.c |