On Thursday, February 16, 2017 05:21:50 PM John Keeping wrote:
> Since commit 2d984ad132a8 ("PM / QoS: Introcuce latency tolerance device
> PM QoS type") we reassign "c" to point at qos->latency_tolerance before
> freeing c->notifiers, but the notifiers field of latency_tolerance is
> never used.
>
> Restore the original behaviour of freeing the notifiers pointer on
> qos->resume_latency, which is used, and fix the following kmemleak
> warning.
>
> unreferenced object 0xed9dba00 (size 64):
> comm "kworker/0:1", pid 36, jiffies 4294670128 (age 15202.983s)
> hex dump (first 32 bytes):
> 00 00 00 00 04 ba 9d ed 04 ba 9d ed 00 00 00 00 ................
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> backtrace:
> [<c06f6084>] kmemleak_alloc+0x74/0xb8
> [<c011c964>] kmem_cache_alloc_trace+0x170/0x25c
> [<c035f448>] dev_pm_qos_constraints_allocate+0x3c/0xe4
> [<c035f574>] __dev_pm_qos_add_request+0x84/0x1a0
> [<c035f6cc>] dev_pm_qos_add_request+0x3c/0x54
> [<c03c3fc4>] usb_hub_create_port_device+0x110/0x2b8
> [<c03b2a60>] hub_probe+0xadc/0xc80
> [<c03bb050>] usb_probe_interface+0x1b4/0x260
> [<c035773c>] driver_probe_device+0x198/0x40c
> [<c0357b14>] __device_attach_driver+0x8c/0x98
> [<c0355bbc>] bus_for_each_drv+0x8c/0x9c
> [<c0357494>] __device_attach+0x98/0x138
> [<c0357c64>] device_initial_probe+0x14/0x18
> [<c03569dc>] bus_probe_device+0x30/0x88
> [<c0354c54>] device_add+0x430/0x554
> [<c03b92d8>] usb_set_configuration+0x660/0x6fc
>
> Fixes: 2d984ad132a8 ("PM / QoS: Introcuce latency tolerance device PM QoS
> type")
> Signed-off-by: John Keeping <j...@metanate.com>
Applied.
Thanks,
Rafael
