aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/dgap/dgap_fep5.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/dgap/dgap_fep5.c')
-rw-r--r--drivers/staging/dgap/dgap_fep5.c53
1 files changed, 24 insertions, 29 deletions
diff --git a/drivers/staging/dgap/dgap_fep5.c b/drivers/staging/dgap/dgap_fep5.c
index 4464f02c9575..794cf9db8b83 100644
--- a/drivers/staging/dgap/dgap_fep5.c
+++ b/drivers/staging/dgap/dgap_fep5.c
@@ -134,7 +134,7 @@ int dgap_after_config_loaded(void)
dgap_Board[i]->flipflagbuf = dgap_driver_kzmalloc(MYFLIPLEN, GFP_ATOMIC);
}
- return (rc);
+ return rc;
}
@@ -150,14 +150,14 @@ static int dgap_usertoboard(struct board_t *brd, char *to_addr, char __user *fro
int n = U2BSIZE;
if (!brd || brd->magic != DGAP_BOARD_MAGIC)
- return(-EFAULT);
+ return -EFAULT;
while (len) {
if (n > len)
n = len;
if (copy_from_user((char *) &buf, from_addr, n) == -1 ) {
- return(-EFAULT);
+ return -EFAULT;
}
/* Copy data from buffer to card memory */
@@ -169,7 +169,7 @@ static int dgap_usertoboard(struct board_t *brd, char *to_addr, char __user *fro
from_addr += n;
n = U2BSIZE;
}
- return(0);
+ return 0;
}
@@ -1155,20 +1155,20 @@ uint dgap_get_custom_baud(struct channel_t *ch)
uint value = 0;
if (!ch || ch->magic != DGAP_CHANNEL_MAGIC) {
- return (0);
+ return 0;
}
if (!ch->ch_bd || ch->ch_bd->magic != DGAP_BOARD_MAGIC) {
- return (0);
+ return 0;
}
if (!(ch->ch_bd->bd_flags & BD_FEP5PLUS))
- return (0);
+ return 0;
vaddr = ch->ch_bd->re_map_membase;
if (!vaddr)
- return (0);
+ return 0;
/*
* Go get from fep mem, what the fep
@@ -1178,7 +1178,7 @@ uint dgap_get_custom_baud(struct channel_t *ch)
(ch->ch_portnum * 0x28) + LINE_SPEED));
value = readw(vaddr + offset);
- return (value);
+ return value;
}
@@ -1229,29 +1229,24 @@ int dgap_param(struct tty_struct *tty)
uchar mval;
uchar hflow;
- if (!tty || tty->magic != TTY_MAGIC) {
- return (-ENXIO);
- }
+ if (!tty || tty->magic != TTY_MAGIC)
+ return -ENXIO;
un = (struct un_t *) tty->driver_data;
- if (!un || un->magic != DGAP_UNIT_MAGIC) {
- return (-ENXIO);
- }
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return -ENXIO;
ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC) {
- return (-ENXIO);
- }
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return -ENXIO;
bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC) {
- return (-ENXIO);
- }
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return -ENXIO;
bs = ch->ch_bs;
- if (bs == 0) {
- return (-ENXIO);
- }
+ if (!bs)
+ return -ENXIO;
DPR_PARAM(("param start: tdev: %x cflags: %x oflags: %x iflags: %x\n",
ch->ch_tun.un_dev, ch->ch_c_cflag, ch->ch_c_oflag, ch->ch_c_iflag));
@@ -1558,7 +1553,7 @@ int dgap_param(struct tty_struct *tty)
DPR_PARAM(("param finish\n"));
- return (0);
+ return 0;
}
@@ -1675,7 +1670,7 @@ static int dgap_event(struct board_t *bd)
int b1;
if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (-ENXIO);
+ return -ENXIO;
DGAP_LOCK(bd->bd_lock, lock_flags);
@@ -1683,7 +1678,7 @@ static int dgap_event(struct board_t *bd)
if (!vaddr) {
DGAP_UNLOCK(bd->bd_lock, lock_flags);
- return (-ENXIO);
+ return -ENXIO;
}
eaddr = (struct ev_t *) (vaddr + EVBUF);
@@ -1701,7 +1696,7 @@ static int dgap_event(struct board_t *bd)
DPR_EVENT(("should be calling xxfail %d\n", __LINE__));
/* Let go of board lock */
DGAP_UNLOCK(bd->bd_lock, lock_flags);
- return (-ENXIO);
+ return -ENXIO;
}
/*
@@ -1949,5 +1944,5 @@ next:
writew(tail, &(eaddr->ev_tail));
DGAP_UNLOCK(bd->bd_lock, lock_flags);
- return (0);
+ return 0;
}