linux/drivers/usb/core
Christian Lamparter aa75936544 usb: core: usbport: fix "BUG: key not in .data" when lockdep is enabled
This patch fixes a splat that happens if CONFIG_DEBUG_LOCK_ALLOC
is enabled and the ledtrig_usbport is loaded. (on a device that
has some usb ports).

[   60.695479] BUG: key c53f8420 not in .data!
[   60.695521] ------------[ cut here ]------------
[   60.698542] WARNING: CPU: 1 PID: 854 at kernel/locking/lockdep.c:3134 __kernfs_create_file+0x5c/0xc0
[   60.703355] DEBUG_LOCKS_WARN_ON(1)
[   60.712534] Modules linked in:
[   60.944078] CPU: 1 PID: 854 Comm: S96led Not tainted 4.9.44 #0
[   60.944329] Hardware name: Generic DT based system
[   60.950106] [<c021585c>] (unwind_backtrace) from [<c0212150>] (show_stack+0x10/0x14)
[   60.954878] [<c0212150>] (show_stack) from [<c03a2bc4>] (dump_stack+0x7c/0x9c)
[   60.962772] [<c03a2bc4>] (dump_stack) from [<c021db34>] (__warn+0xbc/0xec)
[   60.969799] [<c021db34>] (__warn) from [<c021db98>] (warn_slowpath_fmt+0x34/0x44)
[   60.976656] [<c021db98>] (warn_slowpath_fmt)
[   60.984210] [<c0320688>] (__kernfs_create_file)
[   60.992712] [<c0320ef0>] (sysfs_add_file_mode_ns)
[   61.002090] [<c0321044>] (sysfs_add_file) from
[   61.010619] [<c0321094>] (sysfs_add_file_to_group)
[   61.019263] [<bf24a47c>] (usbport_trig_add_usb_dev_ports [ledtrig_usbport])
[   61.031002] [<c0430414>] (bus_for_each_dev)
[   61.042106] [<c0497dc4>] (usb_for_each_dev)
[   61.050375] [<bf24a2ac>] (usbport_trig_activate [ledtrig_usbport])
[   61.060685] [<c04e1708>] (led_trigger_set) from [<c04e1834>]
[...]

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-29 08:27:25 +02:00
..
buffer.c usb: separate out sysdev pointer from usb_bus 2017-03-23 08:20:21 +01:00
config.c usb-core: Add LINEAR_FRAME_INTR_BINTERVAL USB quirk 2017-03-14 17:07:31 +08:00
devices.c usb: fix some references for /proc/bus/usb 2017-04-18 16:54:19 +02:00
devio.c USB: core: constify vm_operations_struct 2017-08-28 11:39:31 +02:00
driver.c usb: hub: Do not attempt to autosuspend disconnected devices 2017-03-23 08:13:22 +01:00
endpoint.c usb: patches for v4.10 merge window 2016-11-18 16:02:15 +01:00
file.c USB: Proper handling of Race Condition when two USB class drivers try to call init_usb_class simultaneously 2017-03-29 11:55:25 +02:00
generic.c USB: core: add missing license information to some files 2016-10-29 12:51:56 -04:00
hcd-pci.c USB / PCI / PM: Allow the PCI core to do the resume cleanup 2017-06-15 00:55:43 +02:00
hcd.c Merge 4.13-rc5 into usb-next 2017-08-14 14:50:58 -07:00
hub.c usb: Increase root hub reset signaling time to prevent retry 2017-08-16 15:26:26 -07:00
hub.h usb: Support USB 3.1 extended port status request 2016-01-24 20:16:52 -08:00
Kconfig docs-rst: fix usb cross-references 2017-04-11 14:41:29 -06:00
ledtrig-usbport.c usb: core: usbport: fix "BUG: key not in .data" when lockdep is enabled 2017-08-29 08:27:25 +02:00
Makefile usb: add CONFIG_USB_PCI for system have both PCI HW and non-PCI based USB HW 2017-03-17 13:16:56 +09:00
message.c usb: get rid of some ReST doc build errors 2017-04-11 14:40:48 -06:00
notify.c USB: core: add missing license information to some files 2016-10-29 12:51:56 -04:00
of.c USB: of: document reference taken by child-lookup helper 2017-06-13 11:07:32 +02:00
otg_whitelist.h usb: core: use IS_ENABLED() instead of checking for built-in or module 2016-09-02 14:36:33 +02:00
port.c Revert "USB / PM: Allow USB devices to remain runtime-suspended when sleeping" 2016-05-02 08:44:31 -07:00
quirks.c usb: Add device quirk for Logitech HD Pro Webcam C920-C 2017-08-28 11:43:39 +02:00
sysfs.c usb: Convert to using %pOF instead of full_name 2017-07-22 15:56:53 +02:00
urb.c USB: core: replace %p with %pK 2017-05-17 11:27:41 +02:00
usb-acpi.c usb: optimize acpi companion search for usb port devices 2017-06-03 18:02:58 +09:00
usb.c USB: of: fix root-hub device-tree node handling 2017-06-13 11:07:32 +02:00
usb.h USB: core: add missing license information to some files 2016-10-29 12:51:56 -04:00