Commits
Xiaotian Feng committed cad70a6ae5a
[CPUFREQ] fix memory leak in cpufreq_add_dev
We didn't free policy->related_cpus in error path err_unlock_policy.
This is catched by following kmemleak report:
unreferenced object 0xffff88022a0b96d0 (size 512):
comm "modprobe", pid 886, jiffies 4294689177 (age 780.694s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8111ebe5>] create_object+0x186/0x281
[<ffffffff814fad4f>] kmemleak_alloc+0x60/0xa7
[<ffffffff8111127a>] kmem_cache_alloc_node_notrace+0x120/0x142
[<ffffffff81262e4f>] alloc_cpumask_var_node+0x2c/0xd7
[<ffffffff81262f0b>] alloc_cpumask_var+0x11/0x13
[<ffffffff81262f1c>] zalloc_cpumask_var+0xf/0x11
[<ffffffff8140fac0>] cpufreq_add_dev+0x11f/0x547
[<ffffffff81334bda>] sysdev_driver_register+0xc2/0x11d
[<ffffffff8140e334>] cpufreq_register_driver+0xcb/0x1b8
[<ffffffffa032e040>] 0xffffffffa032e040
[<ffffffff810021ba>] do_one_initcall+0x5e/0x15c
[<ffffffff81087f94>] sys_init_module+0xa6/0x1e6
[<ffffffff81009bc2>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dave Jones <davej@redhat.com>