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authorJohan Hedberg2011-11-09 00:44:22 +0100
committerGustavo F. Padovan2011-11-09 15:33:52 +0100
commite0f9309f371096b82ad35aa2c27d7f848f37e696 (patch)
tree37559bcc4c1df1a8d0b69255a45cd265ccb24da3
parentBluetooth: Add missing hci_dev locking when calling mgmt functions (diff)
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Bluetooth: Fix cancel_delayed_work_sync usage with locks
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@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
-rw-r--r--net/bluetooth/hci_core.c6
-rw-r--r--net/bluetooth/mgmt.c4
2 files changed, 5 insertions, 5 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index f87bf242539e..fb3feeb185d7 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 be4c3d03d808..263fa2745d48 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)