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Bluetooth: Move double negation to macros

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Some comparisons needs to double negation(!!) in order to make the value
of the field boolean. Add it to the macro makes the code more readable.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Gustavo Padovan 2012-11-23 16:50:51 -02:00
parent 20714bfef8
commit ffa88e02bc
3 changed files with 10 additions and 10 deletions
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6
include/net/bluetooth/hci_core.h
View File

@ -767,7 +767,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
#define lmp_pause_enc_capable(dev) ((dev)->features[5] & LMP_PAUSE_ENC)
#define lmp_ext_inq_capable(dev) ((dev)->features[6] & LMP_EXT_INQ)
#define lmp_le_br_capable(dev) ((dev)->features[6] & LMP_SIMUL_LE_BR)
#define lmp_le_br_capable(dev) !!((dev)->features[6] & LMP_SIMUL_LE_BR)
#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
#define lmp_lsto_capable(dev) ((dev)->features[7] & LMP_LSTO)
@ -776,8 +776,8 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
/* ----- Extended LMP capabilities ----- */
#define lmp_host_ssp_capable(dev) ((dev)->host_features[0] & LMP_HOST_SSP)
#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
#define lmp_host_le_br_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE_BREDR)
#define lmp_host_le_capable(dev) !!((dev)->host_features[0] & LMP_HOST_LE)
#define lmp_host_le_br_capable(dev) !!((dev)->host_features[0] & LMP_HOST_LE_BREDR)
/* ----- HCI protocols ----- */
#define HCI_PROTO_DEFER 0x01

4
net/bluetooth/hci_event.c
View File

@ -794,10 +794,10 @@ static void hci_set_le_support(struct hci_dev *hdev)
if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
cp.le = 1;
cp.simul = !!lmp_le_br_capable(hdev);
cp.simul = lmp_le_br_capable(hdev);
}
if (cp.le != !!lmp_host_le_capable(hdev))
if (cp.le != lmp_host_le_capable(hdev))
hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
&cp);
}

10
net/bluetooth/mgmt.c
View File

@ -1225,7 +1225,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
}
val = !!cp->val;
enabled = !!lmp_host_le_capable(hdev);
enabled = lmp_host_le_capable(hdev);
if (!hdev_is_powered(hdev) || val == enabled) {
bool changed = false;
@ -1261,7 +1261,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
if (val) {
hci_cp.le = val;
hci_cp.simul = !!lmp_le_br_capable(hdev);
hci_cp.simul = lmp_le_br_capable(hdev);
}
err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
@ -2924,13 +2924,13 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
struct hci_cp_write_le_host_supported cp;
cp.le = 1;
cp.simul = !!lmp_le_br_capable(hdev);
cp.simul = lmp_le_br_capable(hdev);
/* Check first if we already have the right
* host state (host features set)
*/
if (cp.le != !!lmp_host_le_capable(hdev) ||
cp.simul != !!lmp_host_le_br_capable(hdev))
if (cp.le != lmp_host_le_capable(hdev) ||
cp.simul != lmp_host_le_br_capable(hdev))
hci_send_cmd(hdev,
HCI_OP_WRITE_LE_HOST_SUPPORTED,
sizeof(cp), &cp);