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| author | Vignesh Raman <Vignesh_Raman@mentor.com> | 2016-09-23 18:56:28 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2016-09-24 06:40:24 +0200 |
| commit | 056506944a58814e5767d55ef6389aa2ab06908c (patch) | |
| tree | 6e884016213e26c94e62fc5e252d2fade48a1603 /drivers/bluetooth | |
| parent | 37332ddc1470b820bd9d1eb36a2ca6ce1efb209b (diff) | |
| download | linux-056506944a58814e5767d55ef6389aa2ab06908c.tar.gz linux-056506944a58814e5767d55ef6389aa2ab06908c.tar.bz2 linux-056506944a58814e5767d55ef6389aa2ab06908c.zip | |
Bluetooth: Use single return in hci_uart_tty_ioctl() call
Remove multiple return statements in hci_uart_tty_ioctl() call and
added a single return statement.
This code re-organisation allows subsequent locking to be easily
added.
Signed-off-by: Vignesh Raman <Vignesh_Raman@mentor.com>
Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Rajeev Kumar <rajeev_kumar@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 9a3aab67b6bb..9497c469efd2 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -697,34 +697,36 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file *file, case HCIUARTSETPROTO: if (!test_and_set_bit(HCI_UART_PROTO_SET, &hu->flags)) { err = hci_uart_set_proto(hu, arg); - if (err) { + if (err) clear_bit(HCI_UART_PROTO_SET, &hu->flags); - return err; - } } else - return -EBUSY; + err = -EBUSY; break; case HCIUARTGETPROTO: if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) - return hu->proto->id; - return -EUNATCH; + err = hu->proto->id; + else + err = -EUNATCH; + break; case HCIUARTGETDEVICE: if (test_bit(HCI_UART_REGISTERED, &hu->flags)) - return hu->hdev->id; - return -EUNATCH; + err = hu->hdev->id; + else + err = -EUNATCH; + break; case HCIUARTSETFLAGS: if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) - return -EBUSY; - err = hci_uart_set_flags(hu, arg); - if (err) - return err; + err = -EBUSY; + else + err = hci_uart_set_flags(hu, arg); break; case HCIUARTGETFLAGS: - return hu->hdev_flags; + err = hu->hdev_flags; + break; default: err = n_tty_ioctl_helper(tty, file, cmd, arg); |