diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-12 10:22:49 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-12 10:22:49 -0700 |
| commit | fbf8d7106c926d375c76e65cc878f4fa7b91cbc3 (patch) | |
| tree | e9faf7f8a9ce8da9ad2e2a3f1768a4af414670d4 /drivers/acpi/proc.c | |
| parent | 98f62b7a082e1e9eb762c7329a704316f6e07698 (diff) | |
| parent | d4e4ab86bcba5a72779c43dc1459f71fea3d89c8 (diff) | |
Merge 3.11-rc5 into staging-next
We want the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/acpi/proc.c')
| -rw-r--r-- | drivers/acpi/proc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index aa1227a7e3f2..04a13784dd20 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -311,6 +311,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) dev->pnp.bus_id, (u32) dev->wakeup.sleep_state); + mutex_lock(&dev->physical_node_lock); + if (!dev->physical_node_count) { seq_printf(seq, "%c%-8s\n", dev->wakeup.flags.run_wake ? '*' : ' ', @@ -338,6 +340,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) put_device(ldev); } } + + mutex_unlock(&dev->physical_node_lock); } mutex_unlock(&acpi_device_lock); return 0; @@ -347,12 +351,16 @@ static void physical_device_enable_wakeup(struct acpi_device *adev) { struct acpi_device_physical_node *entry; + mutex_lock(&adev->physical_node_lock); + list_for_each_entry(entry, &adev->physical_node_list, node) if (entry->dev && device_can_wakeup(entry->dev)) { bool enable = !device_may_wakeup(entry->dev); device_set_wakeup_enable(entry->dev, enable); } + + mutex_unlock(&adev->physical_node_lock); } static ssize_t |