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authorMasaru Nomura <massa.nomura@gmail.com>2014-05-18 00:54:31 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-18 10:11:24 -0700
commit50667c67dbefea289460dc3e2b4ebc307fd88000 (patch)
tree779cffbe75e23f61cc60063267491c925cfd5e4c /drivers/staging/dgnc/dgnc_tty.c
parent33cfbaf5d065bb166893a1adb20bdfc70b909516 (diff)
downloadlinux-50667c67dbefea289460dc3e2b4ebc307fd88000.tar.bz2
staging: dgnc: Remove extra curly braces
Remove unnecessary curly braces of if statements in dgnc_neo.c and dgnc_tty.c to meet kernel coding style. Signed-off-by: Masaru Nomura <massa.nomura@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/dgnc/dgnc_tty.c')
-rw-r--r--drivers/staging/dgnc/dgnc_tty.c110
1 files changed, 40 insertions, 70 deletions
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index e432c04f9943..e3001b52146c 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -533,9 +533,8 @@ void dgnc_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *buf, int
* We *cannot* sleep here waiting for space, because this
* function was probably called by the interrupt/timer routines!
*/
- if (n == 0) {
+ if (n == 0)
return;
- }
/*
* Copy as much data as will fit.
@@ -856,14 +855,11 @@ void dgnc_carrier(struct channel_t *ch)
phys_carrier = 1;
}
- if (ch->ch_digi.digi_flags & DIGI_FORCEDCD) {
+ if (ch->ch_digi.digi_flags & DIGI_FORCEDCD)
virt_carrier = 1;
- }
- if (ch->ch_c_cflag & CLOCAL) {
+ if (ch->ch_c_cflag & CLOCAL)
virt_carrier = 1;
- }
-
DPR_CARR(("DCD: physical: %d virt: %d\n", phys_carrier, virt_carrier));
@@ -1004,11 +1000,10 @@ static void dgnc_set_custom_speed(struct channel_t *ch, uint newrate)
deltahigh = testrate_high - newrate;
deltalow = newrate - testrate_low;
- if (deltahigh < deltalow) {
+ if (deltahigh < deltalow)
newrate = testrate_high;
- } else {
+ else
newrate = testrate_low;
- }
}
}
@@ -1221,15 +1216,13 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
major = MAJOR(tty_devnum(tty));
minor = MINOR(tty_devnum(tty));
- if (major > 255) {
+ if (major > 255)
return -ENXIO;
- }
/* Get board pointer from our array of majors we have allocated */
brd = dgnc_BoardsByMajor[major];
- if (!brd) {
+ if (!brd)
return -ENXIO;
- }
/*
* If board is not yet up to a state of READY, go to
@@ -1238,9 +1231,8 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
rc = wait_event_interruptible(brd->state_wait,
(brd->state & BOARD_READY));
- if (rc) {
+ if (rc)
return rc;
- }
DGNC_LOCK(brd->bd_lock, lock_flags);
@@ -1406,10 +1398,9 @@ static int dgnc_tty_open(struct tty_struct *tty, struct file *file)
rc = dgnc_block_til_ready(tty, file, ch);
- if (rc) {
+ if (rc)
DPR_OPEN(("dgnc_tty_open returning after dgnc_block_til_ready "
"with %d\n", rc));
- }
/* No going back now, increment our unit and channel counters */
DGNC_LOCK(ch->ch_lock, lock_flags);
@@ -1441,9 +1432,8 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
}
un = tty->driver_data;
- if (!un || un->magic != DGNC_UNIT_MAGIC) {
+ if (!un || un->magic != DGNC_UNIT_MAGIC)
return -ENXIO;
- }
DPR_OPEN(("dgnc_block_til_ready - before block.\n"));
@@ -1486,9 +1476,8 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
* 3) DCD (fake or real) is active.
*/
- if (file->f_flags & O_NONBLOCK) {
+ if (file->f_flags & O_NONBLOCK)
break;
- }
if (tty->flags & (1 << TTY_IO_ERROR)) {
retval = -EIO;
@@ -1543,13 +1532,12 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct file *file, struc
/*
* Wait for something in the flags to change from the current value.
*/
- if (sleep_on_un_flags) {
+ if (sleep_on_un_flags)
retval = wait_event_interruptible(un->un_flags_wait,
(old_flags != (ch->ch_tun.un_flags | ch->ch_pun.un_flags)));
- } else {
+ else
retval = wait_event_interruptible(ch->ch_flags_wait,
(old_flags != ch->ch_flags));
- }
DPR_OPEN(("After sleep... retval: %x\n", retval));
@@ -1703,9 +1691,8 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
DPR_CLOSE(("After calling wait_for_drain\n"));
- if (rc) {
+ if (rc)
DPR_BASIC(("dgnc_tty_close - bad return: %d ", rc));
- }
dgnc_tty_flush_buffer(tty);
tty_ldisc_flush(tty);
@@ -2077,9 +2064,8 @@ static int dgnc_tty_write(struct tty_struct *tty,
* the board.
*/
/* we're allowed to block if it's from_user */
- if (down_interruptible(&dgnc_TmpWriteSem)) {
+ if (down_interruptible(&dgnc_TmpWriteSem))
return -EINTR;
- }
/*
* copy_from_user() returns the number
@@ -2262,21 +2248,17 @@ static int dgnc_tty_tiocmset(struct tty_struct *tty,
DGNC_LOCK(ch->ch_lock, lock_flags);
- if (set & TIOCM_RTS) {
+ if (set & TIOCM_RTS)
ch->ch_mostat |= UART_MCR_RTS;
- }
- if (set & TIOCM_DTR) {
+ if (set & TIOCM_DTR)
ch->ch_mostat |= UART_MCR_DTR;
- }
- if (clear & TIOCM_RTS) {
+ if (clear & TIOCM_RTS)
ch->ch_mostat &= ~(UART_MCR_RTS);
- }
- if (clear & TIOCM_DTR) {
+ if (clear & TIOCM_DTR)
ch->ch_mostat &= ~(UART_MCR_DTR);
- }
ch->ch_bd->bd_ops->assert_modem_signals(ch);
@@ -2526,40 +2508,34 @@ static int dgnc_set_modem_info(struct tty_struct *tty, unsigned int command, uns
switch (command) {
case TIOCMBIS:
- if (arg & TIOCM_RTS) {
+ if (arg & TIOCM_RTS)
ch->ch_mostat |= UART_MCR_RTS;
- }
- if (arg & TIOCM_DTR) {
+ if (arg & TIOCM_DTR)
ch->ch_mostat |= UART_MCR_DTR;
- }
break;
case TIOCMBIC:
- if (arg & TIOCM_RTS) {
+ if (arg & TIOCM_RTS)
ch->ch_mostat &= ~(UART_MCR_RTS);
- }
- if (arg & TIOCM_DTR) {
+ if (arg & TIOCM_DTR)
ch->ch_mostat &= ~(UART_MCR_DTR);
- }
break;
case TIOCMSET:
- if (arg & TIOCM_RTS) {
+ if (arg & TIOCM_RTS)
ch->ch_mostat |= UART_MCR_RTS;
- } else {
+ else
ch->ch_mostat &= ~(UART_MCR_RTS);
- }
- if (arg & TIOCM_DTR) {
+ if (arg & TIOCM_DTR)
ch->ch_mostat |= UART_MCR_DTR;
- } else {
+ else
ch->ch_mostat &= ~(UART_MCR_DTR);
- }
break;
@@ -3037,9 +3013,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
*/
rc = tty_check_change(tty);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
- if (rc) {
+ if (rc)
return rc;
- }
rc = ch->ch_bd->bd_ops->drain(tty, 0);
@@ -3070,9 +3045,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
*/
rc = tty_check_change(tty);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
- if (rc) {
+ if (rc)
return rc;
- }
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
@@ -3094,9 +3068,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
case TIOCSBRK:
rc = tty_check_change(tty);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
- if (rc) {
+ if (rc)
return rc;
- }
rc = ch->ch_bd->bd_ops->drain(tty, 0);
if (rc) {
@@ -3358,9 +3331,9 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
DGNC_UNLOCK(ch->ch_lock, lock_flags);
- if (copy_to_user(uarg, &buf, sizeof(buf))) {
+ if (copy_to_user(uarg, &buf, sizeof(buf)))
return -EFAULT;
- }
+
return 0;
}
@@ -3377,9 +3350,9 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
/* NOTE: MORE EVENTS NEEDS TO BE ADDED HERE */
if (ch->ch_flags & CH_BREAK_SENDING)
events |= EV_TXB;
- if ((ch->ch_flags & CH_STOP) || (ch->ch_flags & CH_FORCED_STOP)) {
+ if ((ch->ch_flags & CH_STOP) || (ch->ch_flags & CH_FORCED_STOP))
events |= (EV_OPU | EV_OPS);
- }
+
if ((ch->ch_flags & CH_STOPI) || (ch->ch_flags & CH_FORCED_STOPI)) {
events |= (EV_IPU | EV_IPS);
}
@@ -3406,9 +3379,8 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
/*
* Get data from user first.
*/
- if (copy_from_user(&buf, uarg, sizeof(buf))) {
+ if (copy_from_user(&buf, uarg, sizeof(buf)))
return -EFAULT;
- }
DGNC_LOCK(ch->ch_lock, lock_flags);
@@ -3437,24 +3409,22 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
* insert more characters into our queue for OPOST processing
* that the RealPort Server doesn't know about.
*/
- if (buf.txbuf > tdist) {
+ if (buf.txbuf > tdist)
buf.txbuf = tdist;
- }
/*
* Report whether our queue and UART TX are completely empty.
*/
- if (count) {
+ if (count)
buf.txdone = 0;
- } else {
+ else
buf.txdone = 1;
- }
DGNC_UNLOCK(ch->ch_lock, lock_flags);
- if (copy_to_user(uarg, &buf, sizeof(buf))) {
+ if (copy_to_user(uarg, &buf, sizeof(buf)))
return -EFAULT;
- }
+
return 0;
}
default: