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pktgen: clean up handling of local/transient counter vars 

The temporary variable "i" is needlessly initialized to zero
in two distinct cases in this file:

1) where it is set to zero and then used as an argument in an addition
before being assigned a non-zero value.

2) where it is only used in a standard/typical loop counter

For (1), simply delete assignment to zero and usages while still
zero; for (2) simply make the loop start at zero as per standard
practice as seen everywhere else in the same file.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Gortmaker 2010-10-18 12:14:44 +00:00 committed by David S. Miller
parent 38df7a3949
commit d618222352
1 changed files with 15 additions and 15 deletions
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30
net/core/pktgen.c
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@ -771,10 +771,10 @@ done:
static unsigned long num_arg(const char __user * user_buffer,
unsigned long maxlen, unsigned long *num)
{
int i = 0;
int i;
*num = 0;
for (; i < maxlen; i++) {
for (i = 0; i < maxlen; i++) {
char c;
if (get_user(c, &user_buffer[i]))
return -EFAULT;
@ -789,9 +789,9 @@ static unsigned long num_arg(const char __user * user_buffer,
static int strn_len(const char __user * user_buffer, unsigned int maxlen)
{
int i = 0;
int i;
for (; i < maxlen; i++) {
for (i = 0; i < maxlen; i++) {
char c;
if (get_user(c, &user_buffer[i]))
return -EFAULT;
@ -846,7 +846,7 @@ static ssize_t pktgen_if_write(struct file *file,
{
struct seq_file *seq = file->private_data;
struct pktgen_dev *pkt_dev = seq->private;
int i = 0, max, len;
int i, max, len;
char name[16], valstr[32];
unsigned long value = 0;
char *pg_result = NULL;
@ -860,13 +860,13 @@ static ssize_t pktgen_if_write(struct file *file,
return -EINVAL;
}
max = count - i;
tmp = count_trail_chars(&user_buffer[i], max);
max = count;
tmp = count_trail_chars(user_buffer, max);
if (tmp < 0) {
pr_warning("illegal format\n");
return tmp;
}
i += tmp;
i = tmp;
/* Read variable name */
@ -1764,7 +1764,7 @@ static ssize_t pktgen_thread_write(struct file *file,
{
struct seq_file *seq = file->private_data;
struct pktgen_thread *t = seq->private;
int i = 0, max, len, ret;
int i, max, len, ret;
char name[40];
char *pg_result;
@ -1773,12 +1773,12 @@ static ssize_t pktgen_thread_write(struct file *file,
return -EINVAL;
}
max = count - i;
len = count_trail_chars(&user_buffer[i], max);
max = count;
len = count_trail_chars(user_buffer, max);
if (len < 0)
return len;
i += len;
i = len;
/* Read variable name */
@ -1975,7 +1975,7 @@ static struct net_device *pktgen_dev_get_by_name(struct pktgen_dev *pkt_dev,
const char *ifname)
{
char b[IFNAMSIZ+5];
int i = 0;
int i;
for (i = 0; ifname[i] != '@'; i++) {
if (i == IFNAMSIZ)
@ -2519,8 +2519,8 @@ static void free_SAs(struct pktgen_dev *pkt_dev)
{
if (pkt_dev->cflows) {
/* let go of the SAs if we have them */
int i = 0;
for (; i < pkt_dev->cflows; i++) {
int i;
for (i = 0; i < pkt_dev->cflows; i++) {
struct xfrm_state *x = pkt_dev->flows[i].x;
if (x) {
xfrm_state_put(x);