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Bluetooth: Move double negation to macros 

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);