diff options
| author |   Johan Hedberg <johan.hedberg@intel.com> | 2013-01-27 00:31:32 +0200 |
|---|---|---|
| committer |   Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2013-02-01 15:50:17 -0200 |
| commit | 892bbc5794daac57bff09c584821ed271fa18046 (patch) | |
| tree | 5311131b07d1bd856ee28f2fa77636fe194d0e6f /net/bluetooth | |
| parent | Bluetooth: Simplify UUID16 list generation for EIR (diff) | |
| download | linux-dev-892bbc5794daac57bff09c584821ed271fa18046.tar.xz linux-dev-892bbc5794daac57bff09c584821ed271fa18046.zip | |
Bluetooth: Remove useless eir_len variable from EIR creation
The amount of data encoded so far in the create_eir() function can be
calculated simply through the difference between the data and ptr
pointer variables. The eir_len variable then becomes essentially
useless.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/mgmt.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 02827af1aef0..5e18d5a451f4 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -439,7 +439,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data) { u8 *ptr = data; u8 *uuids_start; - u16 eir_len = 0; struct bt_uuid *uuid; size_t name_len; @@ -458,7 +457,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data) memcpy(ptr + 2, hdev->dev_name, name_len); - eir_len += (name_len + 2); ptr += (name_len + 2); } @@ -467,7 +465,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data) ptr[1] = EIR_TX_POWER; ptr[2] = (u8) hdev->inq_tx_power; - eir_len += 3; ptr += 3; } @@ -480,7 +477,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data) put_unaligned_le16(hdev->devid_product, ptr + 6); put_unaligned_le16(hdev->devid_version, ptr + 8); - eir_len += 10; ptr += 10; } @@ -505,18 +501,16 @@ static void create_eir(struct hci_dev *hdev, u8 *data) uuids_start[0] = 1; uuids_start[1] = EIR_UUID16_ALL; ptr += 2; - eir_len += 2; } /* Stop if not enough space to put next UUID */ - if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) { + if ((ptr - data) + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) { uuids_start[1] = EIR_UUID16_SOME; break; } *ptr++ = (uuid16 & 0x00ff); *ptr++ = (uuid16 & 0xff00) >> 8; - eir_len += sizeof(uuid16); uuids_start[0] += sizeof(uuid16); } } |