From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
The cancel_delayed_work_sync function should not be used if we hold any
locks. Luckily all places where this is the case it is also safe to use
the non-sync version.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/hci_core.c | 6 +++---
net/bluetooth/mgmt.c | 4 ++--
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index f87bf24..fb3feeb 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -599,12 +599,12 @@ static int hci_dev_do_close(struct hci_dev *hdev)
tasklet_kill(&hdev->tx_task);
if (hdev->discov_timeout > 0) {
- cancel_delayed_work_sync(&hdev->discov_off);
+ cancel_delayed_work(&hdev->discov_off);
hdev->discov_timeout = 0;
}
if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags))
- cancel_delayed_work_sync(&hdev->power_off);
+ cancel_delayed_work(&hdev->power_off);
hci_dev_lock_bh(hdev);
inquiry_cache_flush(hdev);
@@ -828,7 +828,7 @@ int hci_get_dev_list(void __user *arg)
read_lock_bh(&hci_dev_list_lock);
list_for_each_entry(hdev, &hci_dev_list, list) {
if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags))
- cancel_delayed_work_sync(&hdev->power_off);
+ cancel_delayed_work(&hdev->power_off);
if (!test_bit(HCI_MGMT, &hdev->flags))
set_bit(HCI_PAIRABLE, &hdev->flags);
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index be4c3d0..263fa27 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -149,7 +149,7 @@ static int read_index_list(struct sock *sk)
i = 0;
list_for_each_entry(d, &hci_dev_list, list) {
if (test_and_clear_bit(HCI_AUTO_OFF, &d->flags))
- cancel_delayed_work_sync(&d->power_off);
+ cancel_delayed_work(&d->power_off);
if (test_bit(HCI_SETUP, &d->flags))
continue;
@@ -398,7 +398,7 @@ static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
if (cp->val)
scan |= SCAN_INQUIRY;
else
- cancel_delayed_work_sync(&hdev->discov_off);
+ cancel_delayed_work(&hdev->discov_off);
err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
if (err < 0)
--
1.7.7.1
--
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