MLK-22366-3 usb: cdns3: gadget: set request as NULL when it is freed
Meanwhile, the pending_setup_status work item needs to be flushed after
EP0 is dequeued. It fixed below oops:
[ 292.766596] android_work: sent uevent USB_STATE=DISCONNECTED
[ 292.769602] ------------[ cut here ]------------
[ 292.769631] WARNING: CPU: 3 PID: 88 at /home/b29397/work/projects/linux-imx/drivers/usb/gadget/composite.c:1383 com
posite_setup_complete+0xc8/0xd0
[ 292.769639] Modules linked in:
[ 292.790493] audit: audit_lost=5519 audit_rate_limit=5 audit_backlog_limit=64
[ 292.796604] audit: rate limit exceeded
[ 292.803165] CPU: 3 PID: 88 Comm: kworker/3:1 Not tainted
4.14.98-07842-g3848d2f45363-dirty #51
[ 292.803168] Hardware name: Freescale i.MX8QXP MEK (DT)
[ 292.803183] Workqueue: events_freezable cdns3_pending_setup_status_handler
[ 292.803188] task:
ffff80083ac68e80 task.stack:
ffff00000ada8000
[ 292.803195] PC is at composite_setup_complete+0xc8/0xd0
[ 292.803200] LR is at composite_setup_complete+0xc8/0xd0
[ 292.803204] pc : [<
ffff000008aa17c8>] lr : [<
ffff000008aa17c8>] pstate:
000001c5
[ 292.803206] sp :
ffff00000adabd70
[ 292.803208] x29:
ffff00000adabd70 x28:
0000000000000000
[ 292.803215] x27:
ffff80083abf8c38 x26:
ffff000009619518
[ 292.803227] x25:
0000000000000000 x24:
ffff00000a150cf8
[ 292.870582] x23:
0000000000000000 x22:
ffff80083ff6c100
[ 292.875901] x21:
0000000000000140 x20:
ffff800836342718
[ 292.881216] x19:
ffff8000706e5900 x18:
0000000000000010
[ 292.886533] x17:
0000eb3821d31268 x16:
ffff000008313fc8
[ 292.891850] x15:
ffffffffffffffff x14:
ffff00000a12e008
[ 292.897166] x13:
ffff00008a4319d7 x12:
ffff00000a4319df
[ 292.902483] x11:
ffff00000a157000 x10:
ffff00000adaba90
[ 292.907801] x9 :
00000000ffffffd0 x8 :
ffff000008729658
[ 292.913116] x7 :
75716572206e776f x6 :
0000000000000006
[ 292.918433] x5 :
0000000000000000 x4 :
0000000000000000
[ 292.923749] x3 :
0000000000000000 x2 :
13710ac2b6ac9b00
[ 292.929067] x1 :
0000000000000000 x0 :
0000000000000020
[ 292.934397]
[ 292.934397] X19: 0xffff8000706e5880:
[ 292.939448] 5880
00004ef4 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 292.947651] 58a0
00000000 00000000 00004ef5 00000000 00000000 00000000 00000000 00000000
[ 292.955860] 58c0
00000000 00000000 00000000 00000000 00000000 00000000 71f24600 ffff8000
[ 292.964070] 58e0
00000300 00000001 706e58e0 ffff8000 395101c0 ffff8008 00000000 00000000
[ 292.972280] 5900
706e5000 ffff8000 00000000 00000000 f47ff000 00000000 00000000 00000000
[ 292.980487] 5920
00000000 00000000 00000000 00000000 08aa1700 ffff0000 3bb36428 ffff8008
[ 292.988697] 5940
706e5940 ffff8000 706e5940 ffff8000 00000000 00000000 36342718 ffff8008
[ 292.996907] 5960
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.005121]
[ 293.005121] X20: 0xffff800836342698:
[ 293.010181] 2698
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.014718] using random self ethernet address
[ 293.018391] 26b8
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.018413] 26d8
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.018435] 26f8
00000000 00000000 36342900 ffff8008 3ac7c880 ffff8008 087e56b0 ffff0000
[ 293.018458] 2718
3bb36428 ffff8008 363427a8 ffff8008 092cbfa0
[ 293.030136] using random host ethernet address
[ 293.031092]
ffff0000 00000000 00000000
[ 293.031101] 2738
00000000 00000000 00000031 02000000 00000200 00000004 0a286238 ffff0000
[ 293.031136] 2758
00000000 00000000 36342760 ffff8008 36342760 ffff8008 36342770 ffff8008
[ 293.077978] 2778
36342770 ffff8008 36342780 ffff8008 36342780 ffff8008 0ae25000 ffff0000
[ 293.086193]
[ 293.086193] X22: 0xffff80083ff6c080:
[ 293.091253] c080
3ff6c080 ffff8008 3ff6c080 ffff8008 ffffffe0 0000000f 3ff6c098 ffff8008
[ 293.099463] c0a0
3ff6c098 ffff8008 080fb2b0 ffff0000 00000000 00000000 00000000 00000000
[ 293.107672] c0c0
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.115882] c0e0
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.124083] c100
3ff68000 ffff8008 3a00ce00 ffff8008 00000000 ffffffff 00000002 00000001
[ 293.132293] c120
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.140494] c140
00000000 00000000 00000000 00000000 00000000 00000000 00000001 00000100
[ 293.148695] c160
3ff6c160 ffff8008 3ff6c160 ffff8008 3ff53170 ffff8008 3a00ce00 ffff8008
[ 293.156903]
[ 293.156903] X27: 0xffff80083abf8bb8:
[ 293.161961] 8bb8
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.170162] 8bd8
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.178371] 8bf8
00000000 00000000 00000000 00000000 643a725f 5f706368 3aafd100 ffff8008
[ 293.186583] 8c18
00000000 73706d75 00000000 74706f5f 3abf8c28 ffff8008 3abf8c28 ffff8008
[ 293.194791] 8c38
00000000 dead0000 00000000 ffff8008 3abf8c48 ffff8008 3abf8c48 ffff8008
[ 293.203001] 8c58
00000050 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 293.211210] 8c78
00000000 00000000 00000001 ffff8008 3607ac00 ffff8008 00000002 00000000
[ 293.219420] 8c98
3abf8c98 ffff8008 00000000 00000000 00000000 00000000 3ad74fb0 ffff8008
[ 293.227625]
[ 293.229119] Call trace:
[ 293.231573] Exception stack(0xffff00000adabc30 to 0xffff00000adabd70)
[ 293.238027] bc20:
0000000000000020 0000000000000000
[ 293.245865] bc40:
13710ac2b6ac9b00 0000000000000000 0000000000000000 0000000000000000
[ 293.253707] bc60:
0000000000000006 75716572206e776f ffff000008729658 00000000ffffffd0
[ 293.261543] bc80:
ffff00000adaba90 ffff00000a157000 ffff00000a4319df ffff00008a4319d7
[ 293.269379] bca0:
ffff00000a12e008 ffffffffffffffff ffff000008313fc8 0000eb3821d31268
[ 293.277217] bcc0:
0000000000000010 ffff8000706e5900 ffff800836342718 0000000000000140
[ 293.285051] bce0:
ffff80083ff6c100 0000000000000000 ffff00000a150cf8 0000000000000000
[ 293.292887] bd00:
ffff000009619518 ffff80083abf8c38 0000000000000000 ffff00000adabd70
[ 293.300723] bd20:
ffff000008aa17c8 ffff00000adabd70 ffff000008aa17c8 00000000000001c5
[ 293.308562] bd40:
ffff000008aa1700 0000000000000000 ffffffffffffffff ffff800838000058
[ 293.316406] bd60:
ffff00000adabd70 ffff000008aa17c8
[ 293.321303] [<
ffff000008aa17c8>] composite_setup_complete+0xc8/0xd0
[ 293.327584] [<
ffff000008a56040>] cdns3_pending_setup_status_handler+0x70/0x98
[ 293.334729] [<
ffff0000080fe1e0>] process_one_work+0x1d8/0x470
[ 293.340476] [<
ffff0000080fe4c4>] worker_thread+0x4c/0x458
[ 293.345885] [<
ffff0000081052ec>] kthread+0x134/0x138
[ 293.350862] [<
ffff00000808525c>] ret_from_fork+0x10/0x1c
[ 293.356175] ---[ end trace
9b2dcf754a0dbda5 ]---
[ 293.392462] init: Service 'adbd' (pid 4743) received signal 9
[ 293.399231] init: Sending signal 9 to service 'adbd' (pid 4743) process group...
[ 293.412539] libprocessgroup: Successfully killed process cgroup uid 0 pid 4743 in 4ms
[ 295.781315] init: Received control message 'start' for 'adbd' from pid: 3253 (system_server)
[ 295.790279] init: starting service 'adbd'...
[ 295.798116] init: Created socket '/dev/socket/adbd', mode 660, user 1000, group 1000
Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
projects / linux.git / commit