diff options
Diffstat (limited to 'drivers/acpi/numa/hmat.c')
| -rw-r--r-- | drivers/acpi/numa/hmat.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c index 11e4483685c9..77a81627aaef 100644 --- a/drivers/acpi/numa/hmat.c +++ b/drivers/acpi/numa/hmat.c @@ -910,12 +910,13 @@ static void hmat_register_target(struct memory_target *target) * Register generic port perf numbers. The nid may not be * initialized and is still NUMA_NO_NODE. */ - mutex_lock(&target_lock); - if (*(u16 *)target->gen_port_device_handle) { - hmat_update_generic_target(target); - target->registered = true; + scoped_guard(mutex, &target_lock) { + if (*(u16 *)target->gen_port_device_handle) { + hmat_update_generic_target(target); + target->registered = true; + return; + } } - mutex_unlock(&target_lock); hmat_hotplug_target(target); } |