summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/proc.c
diff options
context:
space:
mode:
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-09-09 12:05:37 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-09-09 12:05:37 -0400
commit65320fcedaa7affd1736cd7aa51f5e70b5c7e7f2 (patch)
tree2fb1bdf8a1139262dd13fa671055c7517cb3fffb /drivers/acpi/proc.c
parentc3f31f6a6f68bcb51689c90733282ec263602a9d (diff)
parentd8dfad3876e4386666b759da3c833d62fb8b2267 (diff)
Merge tag 'v3.11-rc7' into stable/for-linus-3.12
Linux 3.11-rc7 As we need the git commit 28817e9de4f039a1a8c1fe1df2fa2df524626b9e Author: Chuck Anderson <chuck.anderson@oracle.com> Date: Tue Aug 6 15:12:19 2013 -0700 xen/smp: initialize IPI vectors before marking CPU online * tag 'v3.11-rc7': (443 commits) Linux 3.11-rc7 ARC: [lib] strchr breakage in Big-endian configuration VFS: collect_mounts() should return an ERR_PTR bfs: iget_locked() doesn't return an ERR_PTR efs: iget_locked() doesn't return an ERR_PTR() proc: kill the extra proc_readfd_common()->dir_emit_dots() cope with potentially long ->d_dname() output for shmem/hugetlb usb: phy: fix build breakage USB: OHCI: add missing PCI PM callbacks to ohci-pci.c staging: comedi: bug-fix NULL pointer dereference on failed attach lib/lz4: correct the LZ4 license memcg: get rid of swapaccount leftovers nilfs2: fix issue with counting number of bio requests for BIO_EOPNOTSUPP error detection nilfs2: remove double bio_put() in nilfs_end_bio_write() for BIO_EOPNOTSUPP error drivers/platform/olpc/olpc-ec.c: initialise earlier ipv4: expose IPV4_DEVCONF ipv6: handle Redirect ICMP Message with no Redirected Header option be2net: fix disabling TX in be_close() Revert "ACPI / video: Always call acpi_video_init_brightness() on init" Revert "genetlink: fix family dump race" ... Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/acpi/proc.c')
-rw-r--r--drivers/acpi/proc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index aa1227a7e3f..04a13784dd2 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