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Commit d6182223 authored by Paul Gortmaker's avatar Paul Gortmaker Committed by David S. Miller
Browse files

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: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 38df7a39

net/core/pktgen.c

+15 −15
Original line number Diff line number Diff line
@@ -771,10 +771,10 @@ static int count_trail_chars(const char __user * user_buffer, 
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);