[PATCH 2/6] staging: i4l: icn: donot assign in if statement

From: Sudip Mukherjee
Date: Sat Jun 11 2016 - 17:12:21 EST


It is not the kernel coding style to make assignments in the if
statement and checkpatch was warning us about it.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---
drivers/staging/i4l/icn/icn.c | 33 ++++++++++++++++++++++-----------
1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/i4l/icn/icn.c b/drivers/staging/i4l/icn/icn.c
index c5dd572..c92f9cdf 100644
--- a/drivers/staging/i4l/icn/icn.c
+++ b/drivers/staging/i4l/icn/icn.c
@@ -62,7 +62,8 @@ icn_free_queue(icn_card *card, int channel)
skb_queue_purge(queue);
card->xlen[channel] = 0;
card->sndcount[channel] = 0;
- if ((skb = card->xskb[channel])) {
+ skb = card->xskb[channel];
+ if (skb) {
card->xskb[channel] = NULL;
dev_kfree_skb(skb);
}
@@ -272,8 +273,10 @@ icn_pollbchan_receive(int channel, icn_card *card)
rbnext;
icn_maprelease_channel(card, mch & 2);
if (!eflag) {
- if ((cnt = card->rcvidx[channel])) {
- if (!(skb = dev_alloc_skb(cnt))) {
+ cnt = card->rcvidx[channel];
+ if (cnt) {
+ skb = dev_alloc_skb(cnt);
+ if (!skb) {
printk(KERN_WARNING "icn: receive out of memory\n");
break;
}
@@ -807,7 +810,8 @@ icn_loadboot(u_char __user *buffer, icn_card *card)
#ifdef BOOT_DEBUG
printk(KERN_DEBUG "icn_loadboot called, buffaddr=%08lx\n", (ulong) buffer);
#endif
- if (!(codebuf = kmalloc(ICN_CODE_STAGE1, GFP_KERNEL))) {
+ codebuf = kmalloc(ICN_CODE_STAGE1, GFP_KERNEL);
+ if (!codebuf) {
printk(KERN_WARNING "icn: Could not allocate code buffer\n");
ret = -ENOMEM;
goto out;
@@ -878,7 +882,8 @@ icn_loadboot(u_char __user *buffer, icn_card *card)
}
SLEEP(1);
OUTB_P(0xff, ICN_RUN); /* Start Boot-Code */
- if ((ret = icn_check_loader(card->doubleS0 ? 2 : 1))) {
+ ret = icn_check_loader(card->doubleS0 ? 2 : 1);
+ if (ret) {
goto out_kfree;
}
if (!card->doubleS0) {
@@ -1249,7 +1254,8 @@ icn_command(isdn_ctrl *c, icn_card *card)
return icn_loadboot(arg, card);
case ICN_IOCTL_LOADPROTO:
icn_stopcard(card);
- if ((i = (icn_loadproto(arg, card))))
+ i = (icn_loadproto(arg, card));
+ if (i)
return i;
if (card->doubleS0)
i = icn_loadproto(arg + ICN_CODE_STAGE2, card->other);
@@ -1520,7 +1526,8 @@ icn_initcard(int port, char *id)
icn_card *card;
int i;

- if (!(card = kzalloc(sizeof(icn_card), GFP_KERNEL))) {
+ card = kzalloc(sizeof(icn_card), GFP_KERNEL);
+ if (!card) {
printk(KERN_WARNING
"icn: (%s) Could not allocate card-struct.\n", id);
return (icn_card *) 0;
@@ -1568,7 +1575,8 @@ icn_addcard(int port, char *id1, char *id2)
icn_card *card;
icn_card *card2;

- if (!(card = icn_initcard(port, id1))) {
+ card = icn_initcard(port, id1);
+ if (!card) {
return -EIO;
}
if (!strlen(id2)) {
@@ -1577,7 +1585,8 @@ icn_addcard(int port, char *id1, char *id2)
card->interface.id, port);
return 0;
}
- if (!(card2 = icn_initcard(port, id2))) {
+ card2 = icn_initcard(port, id2);
+ if (!card2) {
printk(KERN_INFO
"icn: (%s) half ICN-4B, port 0x%x added\n", id2, port);
return 0;
@@ -1611,7 +1620,8 @@ icn_setup(char *line)
if (str && *str) {
strlcpy(sid, str, sizeof(sid));
icn_id = sid;
- if ((p = strchr(sid, ','))) {
+ p = strchr(sid, ',');
+ if (p) {
*p++ = 0;
strcpy(sid2, p);
icn_id2 = sid2;
@@ -1634,7 +1644,8 @@ static int __init icn_init(void)
dev.firstload = 1;
spin_lock_init(&dev.devlock);

- if ((p = strchr(revision, ':'))) {
+ p = strchr(revision, ':');
+ if (p) {
strncpy(rev, p + 1, 20);
rev[20] = '\0';
p = strchr(rev, '$');
--
1.9.1