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path: root/drivers/isdn/isdnloop/isdnloop.c
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Diffstat (limited to 'drivers/isdn/isdnloop/isdnloop.c')
-rw-r--r--drivers/isdn/isdnloop/isdnloop.c64
1 files changed, 30 insertions, 34 deletions
diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c
index 5a4da94aefb0..ef9c8e4f1fa2 100644
--- a/drivers/isdn/isdnloop/isdnloop.c
+++ b/drivers/isdn/isdnloop/isdnloop.c
@@ -59,7 +59,8 @@ isdnloop_bchan_send(isdnloop_card *card, int ch)
isdn_ctrl cmd;
while (card->sndcount[ch]) {
- if ((skb = skb_dequeue(&card->bqueue[ch]))) {
+ skb = skb_dequeue(&card->bqueue[ch]);
+ if (skb) {
len = skb->len;
card->sndcount[ch] -= len;
ack = *(skb->head); /* used as scratch area */
@@ -149,8 +150,7 @@ typedef struct isdnloop_stat {
int action;
} isdnloop_stat;
/* *INDENT-OFF* */
-static isdnloop_stat isdnloop_stat_table[] =
-{
+static isdnloop_stat isdnloop_stat_table[] = {
{"BCON_", ISDN_STAT_BCONN, 1}, /* B-Channel connected */
{"BDIS_", ISDN_STAT_BHUP, 2}, /* B-Channel disconnected */
{"DCON_", ISDN_STAT_DCONN, 0}, /* D-Channel connected */
@@ -317,7 +317,8 @@ isdnloop_polldchan(unsigned long data)
u_char *p;
isdn_ctrl cmd;
- if ((skb = skb_dequeue(&card->dqueue)))
+ skb = skb_dequeue(&card->dqueue);
+ if (skb)
avail = skb->len;
else
avail = 0;
@@ -471,8 +472,8 @@ isdnloop_fake(isdnloop_card *card, char *s, int ch)
{
struct sk_buff *skb;
int len = strlen(s) + ((ch >= 0) ? 3 : 0);
-
- if (!(skb = dev_alloc_skb(len))) {
+ skb = dev_alloc_skb(len);
+ if (!skb) {
printk(KERN_WARNING "isdnloop: Out of memory in isdnloop_fake\n");
return 1;
}
@@ -483,8 +484,7 @@ isdnloop_fake(isdnloop_card *card, char *s, int ch)
return 0;
}
/* *INDENT-OFF* */
-static isdnloop_stat isdnloop_cmd_table[] =
-{
+static isdnloop_stat isdnloop_cmd_table[] = {
{"BCON_R", 0, 1}, /* B-Channel connect */
{"BCON_I", 0, 17}, /* B-Channel connect ind */
{"BDIS_R", 0, 2}, /* B-Channel disconnect */
@@ -525,10 +525,8 @@ isdnloop_fake_err(isdnloop_card *card)
isdnloop_fake(card, "NAK", -1);
}
-static u_char ctable_eu[] =
-{0x00, 0x11, 0x01, 0x12};
-static u_char ctable_1t[] =
-{0x00, 0x3b, 0x01, 0x3a};
+static u_char ctable_eu[] = {0x00, 0x11, 0x01, 0x12};
+static u_char ctable_1t[] = {0x00, 0x3b, 0x01, 0x3a};
/*
* Assemble a simplified cause message depending on the
@@ -554,9 +552,9 @@ isdnloop_unicause(isdnloop_card *card, int loc, int cau)
sprintf(buf, "%02X44", ctable_1t[cau]);
break;
default:
- return ("0000");
+ return "0000";
}
- return (buf);
+ return buf;
}
/*
@@ -647,10 +645,8 @@ isdnloop_kill_ctimer(isdnloop_card *card, int ch)
spin_unlock_irqrestore(&card->isdnloop_lock, flags);
}
-static u_char si2bit[] =
-{0, 1, 0, 0, 0, 2, 0, 4, 0, 0};
-static u_char bit2si[] =
-{1, 5, 7};
+static u_char si2bit[] = {0, 1, 0, 0, 0, 2, 0, 4, 0, 0};
+static u_char bit2si[] = {1, 5, 7};
/*
* Try finding a listener for an outgoing call.
@@ -754,17 +750,17 @@ isdnloop_vstphone(isdnloop_card *card, char *phone, int caller)
if (caller) {
for (i = 0; i < 2; i++)
if (!(strcmp(card->s0num[i], phone)))
- return (phone);
- return (card->s0num[0]);
+ return phone;
+ return card->s0num[0];
}
- return (phone);
+ return phone;
break;
case ISDN_PTYPE_1TR6:
if (caller) {
sprintf(nphone, "%s%c", card->s0num[0], phone[0]);
- return (nphone);
+ return nphone;
} else
- return (&phone[strlen(phone) - 1]);
+ return &phone[strlen(phone) - 1];
break;
}
return "";
@@ -1148,14 +1144,14 @@ isdnloop_command(isdn_ctrl *c, isdnloop_card *card)
case ISDNLOOP_IOCTL_STARTUP:
if (!access_ok(VERIFY_READ, (void *) a, sizeof(isdnloop_sdef)))
return -EFAULT;
- return (isdnloop_start(card, (isdnloop_sdef *) a));
+ return isdnloop_start(card, (isdnloop_sdef *) a);
break;
case ISDNLOOP_IOCTL_ADDCARD:
if (copy_from_user((char *)&cdef,
(char *)a,
sizeof(cdef)))
return -EFAULT;
- return (isdnloop_addcard(cdef.id1));
+ return isdnloop_addcard(cdef.id1);
break;
case ISDNLOOP_IOCTL_LEASEDCFG:
if (a) {
@@ -1377,7 +1373,7 @@ if_command(isdn_ctrl *c)
isdnloop_card *card = isdnloop_findcard(c->driver);
if (card)
- return (isdnloop_command(c, card));
+ return isdnloop_command(c, card);
printk(KERN_ERR
"isdnloop: if_command called with invalid driverId!\n");
return -ENODEV;
@@ -1391,7 +1387,7 @@ if_writecmd(const u_char __user *buf, int len, int id, int channel)
if (card) {
if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
return -ENODEV;
- return (isdnloop_writecmd(buf, len, 1, card));
+ return isdnloop_writecmd(buf, len, 1, card);
}
printk(KERN_ERR
"isdnloop: if_writecmd called with invalid driverId!\n");
@@ -1406,7 +1402,7 @@ if_readstatus(u_char __user *buf, int len, int id, int channel)
if (card) {
if (!(card->flags & ISDNLOOP_FLAGS_RUNNING))
return -ENODEV;
- return (isdnloop_readstatus(buf, len, card));
+ return isdnloop_readstatus(buf, len, card);
}
printk(KERN_ERR
"isdnloop: if_readstatus called with invalid driverId!\n");
@@ -1423,7 +1419,7 @@ if_sendbuf(int id, int channel, int ack, struct sk_buff *skb)
return -ENODEV;
/* ack request stored in skb scratch area */
*(skb->head) = ack;
- return (isdnloop_sendbuf(channel, skb, card));
+ return isdnloop_sendbuf(channel, skb, card);
}
printk(KERN_ERR
"isdnloop: if_sendbuf called with invalid driverId!\n");
@@ -1439,8 +1435,8 @@ isdnloop_initcard(char *id)
{
isdnloop_card *card;
int i;
-
- if (!(card = kzalloc(sizeof(isdnloop_card), GFP_KERNEL))) {
+ card = kzalloc(sizeof(isdnloop_card), GFP_KERNEL);
+ if (!card) {
printk(KERN_WARNING
"isdnloop: (%s) Could not allocate card-struct.\n", id);
return (isdnloop_card *) 0;
@@ -1489,8 +1485,8 @@ static int
isdnloop_addcard(char *id1)
{
isdnloop_card *card;
-
- if (!(card = isdnloop_initcard(id1))) {
+ card = isdnloop_initcard(id1);
+ if (!card) {
return -EIO;
}
printk(KERN_INFO
@@ -1503,7 +1499,7 @@ static int __init
isdnloop_init(void)
{
if (isdnloop_id)
- return (isdnloop_addcard(isdnloop_id));
+ return isdnloop_addcard(isdnloop_id);
return 0;
}
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