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Diffstat (limited to 'net/core/pktgen.c')
-rw-r--r--net/core/pktgen.c42
1 files changed, 19 insertions, 23 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 10a1ea72010..679b797d06b 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -729,16 +729,14 @@ static int hex32_arg(const char __user *user_buffer, unsigned long maxlen,
*num = 0;
for (; i < maxlen; i++) {
+ int value;
char c;
*num <<= 4;
if (get_user(c, &user_buffer[i]))
return -EFAULT;
- if ((c >= '0') && (c <= '9'))
- *num |= c - '0';
- else if ((c >= 'a') && (c <= 'f'))
- *num |= c - 'a' + 10;
- else if ((c >= 'A') && (c <= 'F'))
- *num |= c - 'A' + 10;
+ value = hex_to_bin(c);
+ if (value >= 0)
+ *num |= value;
else
break;
}
@@ -773,10 +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;
@@ -791,9 +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;
@@ -848,7 +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;
@@ -862,13 +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 */
@@ -1766,7 +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;
@@ -1775,12 +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 */
@@ -1977,7 +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)
@@ -2521,8 +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);
@@ -3907,8 +3905,6 @@ static void __exit pg_cleanup(void)
{
struct pktgen_thread *t;
struct list_head *q, *n;
- wait_queue_head_t queue;
- init_waitqueue_head(&queue);
/* Stop all interfaces & threads */