Johannes Thumshirn 5d9e2ab9fe mcb: Implement bus->dev.release callback ... The mcb_bus structure previously was released in mcb_release_bus. This lead to the following warning on module unload: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2032 at drivers/base/core.c:251 device_release+0x73/0x90 Device 'mcb:0' does not have a release() function, it is broken and must be fixed. Modules linked in: men_z135_uart mcb_pci(-) mcb CPU: 1 PID: 2032 Comm: rmmod Not tainted 4.6.0-rc4+ #3 Hardware name: N/A N/A/COMe-mBTi10, BIOS MVV1R921 X64 10/14/2015 00000286 00000286 c0117de4 c12d6f16 c0117e2c c18be0d3 c0117dfc c104f6e1 000000fb f5ccbe08 f5ccbe00 f5c64600 c0117e18 c104f728 00000009 00000000 c0117e10 c18db674 c0117e2c c0117e3c c13ce5c3 c18be0d3 000000fb c18db674 Call Trace: [<c12d6f16>] dump_stack+0x47/0x61 [<c104f6e1>] __warn+0xc1/0xe0 [<c104f728>] warn_slowpath_fmt+0x28/0x30 [<c13ce5c3>] device_release+0x73/0x90 [<c12d92e4>] kobject_release+0x34/0x80 [<c12d929d>] ? kobject_del+0x2d/0x40 [<c12d9205>] kobject_put+0x25/0x50 [<c13ce77f>] put_device+0xf/0x20 [<c13d114b>] klist_devices_put+0xb/0x10 [<c1752673>] klist_next+0x73/0xf0 [<c13d1140>] ? unbind_store+0x100/0x100 [<f8a23370>] ? mcb_bus_add_devices+0x30/0x30 [mcb] [<c13d0a81>] bus_for_each_dev+0x51/0x80 [<f8a23319>] mcb_release_bus+0x19/0x40 [mcb] [<f8a23370>] ? mcb_bus_add_devices+0x30/0x30 [mcb] [<f8a2b033>] mcb_pci_remove+0x13/0x20 [mcb_pci] [<c130d358>] pci_device_remove+0x28/0xb0 [<c13d201b>] __device_release_driver+0x7b/0x110 [<c13d2847>] driver_detach+0x87/0x90 [<c13d1b9b>] bus_remove_driver+0x3b/0x80 [<c13d2ed0>] driver_unregister+0x20/0x50 [<c130be53>] pci_unregister_driver+0x13/0x60 [<f8a2b1f4>] mcb_pci_driver_exit+0xd/0xf [mcb_pci] [<c10be588>] SyS_delete_module+0x138/0x200 [<c1159208>] ? ____fput+0x8/0x10 [<c1068054>] ? task_work_run+0x74/0x90 [<c1001879>] do_fast_syscall_32+0x69/0x120 [<c1757597>] sysenter_past_esp+0x40/0x6a ---[ end trace 1ed34c2aa3019875 ]--- Release a mcb_bus' memory on the device's release callback, to avoid above warning. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Reported-by: Andreas Werner <andreas.werner@men.de> Tested-by: Andreas Werner <andreas.werner@men.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2016-05-03 15:52:28 -07:00
..
Kconfig	drivers: mcb: Fix build error discovered by 0-day bot	2014-03-09 10:22:46 -07:00
Makefile
mcb-core.c	mcb: Implement bus->dev.release callback	2016-05-03 15:52:28 -07:00
mcb-internal.h	mcb: export bus information via sysfs	2016-05-03 15:07:35 -07:00
mcb-parse.c	mcb: export bus information via sysfs	2016-05-03 15:07:35 -07:00
mcb-pci.c	mcb: Do not return zero on error path in mcb_pci_probe()	2015-10-29 09:02:16 +09:00