Bluetooth: Don't use spin_lock_bh in user context

spin_lock() and spin_unlock() are more apropiated for user context.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 9a61320c5f2e191fd2124c96d13b1b4de44414d6..c32238163b72aa06a84f5091ab305edcf72a12b3 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -179,7 +179,7 @@ static int read_controller_info(struct sock *sk, u16 index)
 
        hci_del_off_timer(hdev);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        set_bit(HCI_MGMT, &hdev->flags);
 
@@ -208,7 +208,7 @@ static int read_controller_info(struct sock *sk, u16 index)
 
        memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
 
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return cmd_complete(sk, index, MGMT_OP_READ_INFO, &rp, sizeof(rp));
@@ -316,7 +316,7 @@ static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_POWERED, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        up = test_bit(HCI_UP, &hdev->flags);
        if ((cp->val && up) || (!cp->val && !up)) {
@@ -343,7 +343,7 @@ static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
        err = 0;
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
        return err;
 }
@@ -368,7 +368,7 @@ static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (!test_bit(HCI_UP, &hdev->flags)) {
                err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENETDOWN);
@@ -403,7 +403,7 @@ static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
                mgmt_pending_remove(cmd);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -429,7 +429,7 @@ static int set_connectable(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (!test_bit(HCI_UP, &hdev->flags)) {
                err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENETDOWN);
@@ -463,7 +463,7 @@ static int set_connectable(struct sock *sk, u16 index, unsigned char *data,
                mgmt_pending_remove(cmd);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -522,7 +522,7 @@ static int set_pairable(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (cp->val)
                set_bit(HCI_PAIRABLE, &hdev->flags);
@@ -538,7 +538,7 @@ static int set_pairable(struct sock *sk, u16 index, unsigned char *data,
        err = mgmt_event(MGMT_EV_PAIRABLE, index, &ev, sizeof(ev), sk);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -739,7 +739,7 @@ static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_ADD_UUID, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC);
        if (!uuid) {
@@ -763,7 +763,7 @@ static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
        err = cmd_complete(sk, index, MGMT_OP_ADD_UUID, NULL, 0);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -788,7 +788,7 @@ static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
                err = hci_uuids_clear(hdev);
@@ -823,7 +823,7 @@ static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
        err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, NULL, 0);
 
 unlock:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -847,7 +847,7 @@ static int set_dev_class(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        hdev->major_class = cp->major;
        hdev->minor_class = cp->minor;
@@ -857,7 +857,7 @@ static int set_dev_class(struct sock *sk, u16 index, unsigned char *data,
        if (err == 0)
                err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, NULL, 0);
 
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -879,7 +879,7 @@ static int set_service_cache(struct sock *sk, u16 index,  unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        BT_DBG("hci%u enable %d", index, cp->enable);
 
@@ -897,7 +897,7 @@ static int set_service_cache(struct sock *sk, u16 index,  unsigned char *data,
                err = cmd_complete(sk, index, MGMT_OP_SET_SERVICE_CACHE, NULL,
                                                                        0);
 
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -931,7 +931,7 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
        BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys,
                                                                key_count);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        hci_link_keys_clear(hdev);
 
@@ -949,7 +949,7 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
                                                                key->pin_len);
        }
 
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return 0;
@@ -971,7 +971,7 @@ static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        err = hci_remove_link_key(hdev, &cp->bdaddr);
        if (err < 0) {
@@ -994,7 +994,7 @@ static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
        }
 
 unlock:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1020,7 +1020,7 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_DISCONNECT, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (!test_bit(HCI_UP, &hdev->flags)) {
                err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENETDOWN);
@@ -1052,7 +1052,7 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
                mgmt_pending_remove(cmd);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1073,7 +1073,7 @@ static int get_connections(struct sock *sk, u16 index)
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        count = 0;
        list_for_each(p, &hdev->conn_hash.list) {
@@ -1104,7 +1104,7 @@ static int get_connections(struct sock *sk, u16 index)
 
 unlock:
        kfree(rp);
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
        return err;
 }
@@ -1129,7 +1129,7 @@ static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (!test_bit(HCI_UP, &hdev->flags)) {
                err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENETDOWN);
@@ -1151,7 +1151,7 @@ static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
                mgmt_pending_remove(cmd);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1178,7 +1178,7 @@ static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
                return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
                                                                        ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (!test_bit(HCI_UP, &hdev->flags)) {
                err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
@@ -1199,7 +1199,7 @@ static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
                mgmt_pending_remove(cmd);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1222,14 +1222,14 @@ static int set_io_capability(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        hdev->io_capability = cp->io_capability;
 
        BT_DBG("%s IO capability set to 0x%02x", hdev->name,
                                                        hdev->io_capability);
 
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, NULL, 0);
@@ -1315,7 +1315,7 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (cp->io_cap == 0x03) {
                sec_level = BT_SECURITY_MEDIUM;
@@ -1357,7 +1357,7 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
        err = 0;
 
 unlock:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1389,7 +1389,7 @@ static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, mgmt_op, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (!test_bit(HCI_UP, &hdev->flags)) {
                err = cmd_status(sk, index, mgmt_op, ENETDOWN);
@@ -1407,7 +1407,7 @@ static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
                mgmt_pending_remove(cmd);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1431,7 +1431,7 @@ static int set_local_name(struct sock *sk, u16 index, unsigned char *data,
        if (!hdev)
                return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, index, data, len);
        if (!cmd) {
@@ -1446,7 +1446,7 @@ static int set_local_name(struct sock *sk, u16 index, unsigned char *data,
                mgmt_pending_remove(cmd);
 
 failed:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1465,7 +1465,7 @@ static int read_local_oob_data(struct sock *sk, u16 index)
                return cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
                                                                        ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        if (!test_bit(HCI_UP, &hdev->flags)) {
                err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
@@ -1495,7 +1495,7 @@ static int read_local_oob_data(struct sock *sk, u16 index)
                mgmt_pending_remove(cmd);
 
 unlock:
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1519,7 +1519,7 @@ static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data,
                return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
                                                                        ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        err = hci_add_remote_oob_data(hdev, &cp->bdaddr, cp->hash,
                                                                cp->randomizer);
@@ -1529,7 +1529,7 @@ static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data,
                err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, NULL,
                                                                        0);
 
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;
@@ -1553,7 +1553,7 @@ static int remove_remote_oob_data(struct sock *sk, u16 index,
                return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
                                                                        ENODEV);
 
-       hci_dev_lock_bh(hdev);
+       hci_dev_lock(hdev);
 
        err = hci_remove_remote_oob_data(hdev, &cp->bdaddr);
        if (err < 0)
@@ -1563,7 +1563,7 @@ static int remove_remote_oob_data(struct sock *sk, u16 index,
                err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
                                                                NULL, 0);
 
-       hci_dev_unlock_bh(hdev);
+       hci_dev_unlock(hdev);
        hci_dev_put(hdev);
 
        return err;