diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2012-03-01 07:55:35 +0400 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2012-03-01 08:28:04 +0400 |
| commit | 1de028ceb54ccd28cc96f1530a195ae1b6a6d5b5 (patch) | |
| tree | 17b1f270a183af3bd785dc1009c10f82a8212a43 /net/bluetooth | |
| parent | 00abfe4442864144a77f70b6b411d691bcb796bf (diff) | |
| download | linux-1de028ceb54ccd28cc96f1530a195ae1b6a6d5b5.tar.xz | |
Bluetooth: mgmt: Add missing hci_dev locking to set_le()
The set_le() function was missing hci_dev locking which is e.g. critical
for the mgmt pending command adding/removing.
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/mgmt.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 373b46a9eb17..abf1adb8bc16 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1273,10 +1273,12 @@ static int set_le(struct sock *sk, u16 index, void *data, u16 len) return cmd_status(sk, index, MGMT_OP_SET_LE, MGMT_STATUS_INVALID_PARAMS); + hci_dev_lock(hdev); + if (!enable_le || !(hdev->features[4] & LMP_LE)) { err = cmd_status(sk, index, MGMT_OP_SET_LE, MGMT_STATUS_NOT_SUPPORTED); - goto failed; + goto unlock; } val = !!cp->val; @@ -1292,23 +1294,23 @@ static int set_le(struct sock *sk, u16 index, void *data, u16 len) err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); if (err < 0) - goto failed; + goto unlock; if (changed) err = new_settings(hdev, sk); - goto failed; + goto unlock; } if (mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { err = cmd_status(sk, index, MGMT_OP_SET_LE, MGMT_STATUS_BUSY); - goto failed; + goto unlock; } cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); if (!cmd) { err = -ENOMEM; - goto failed; + goto unlock; } memset(&hci_cp, 0, sizeof(hci_cp)); @@ -1322,10 +1324,11 @@ static int set_le(struct sock *sk, u16 index, void *data, u16 len) sizeof(hci_cp), &hci_cp); if (err < 0) { mgmt_pending_remove(cmd); - goto failed; + goto unlock; } -failed: +unlock: + hci_dev_unlock(hdev); hci_dev_put(hdev); return err; } |