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Diffstat (limited to 'net/atm/proc.c')
-rw-r--r--net/atm/proc.c48
1 files changed, 15 insertions, 33 deletions
diff --git a/net/atm/proc.c b/net/atm/proc.c
index e9693aed7ef8..5c9f3d148135 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -78,7 +78,7 @@ static int __vcc_walk(struct sock **sock, int family, int *bucket, loff_t l)
{
struct sock *sk = *sock;
- if (sk == (void *)1) {
+ if (sk == SEQ_START_TOKEN) {
for (*bucket = 0; *bucket < VCC_HTABLE_SIZE; ++*bucket) {
struct hlist_head *head = &vcc_hash[*bucket];
@@ -98,7 +98,7 @@ try_again:
sk = sk_head(&vcc_hash[*bucket]);
goto try_again;
}
- sk = (void *)1;
+ sk = SEQ_START_TOKEN;
out:
*sock = sk;
return (l < 0);
@@ -114,31 +114,13 @@ static int __vcc_seq_open(struct inode *inode, struct file *file,
int family, const struct seq_operations *ops)
{
struct vcc_state *state;
- struct seq_file *seq;
- int rc = -ENOMEM;
- state = kmalloc(sizeof(*state), GFP_KERNEL);
- if (!state)
- goto out;
-
- rc = seq_open(file, ops);
- if (rc)
- goto out_kfree;
+ state = __seq_open_private(file, ops, sizeof(*state));
+ if (state == NULL)
+ return -ENOMEM;
state->family = family;
-
- seq = file->private_data;
- seq->private = state;
-out:
- return rc;
-out_kfree:
- kfree(state);
- goto out;
-}
-
-static int vcc_seq_release(struct inode *inode, struct file *file)
-{
- return seq_release_private(inode, file);
+ return 0;
}
static void *vcc_seq_start(struct seq_file *seq, loff_t *pos)
@@ -148,8 +130,8 @@ static void *vcc_seq_start(struct seq_file *seq, loff_t *pos)
loff_t left = *pos;
read_lock(&vcc_sklist_lock);
- state->sk = (void *)1;
- return left ? vcc_walk(state, left) : (void *)1;
+ state->sk = SEQ_START_TOKEN;
+ return left ? vcc_walk(state, left) : SEQ_START_TOKEN;
}
static void vcc_seq_stop(struct seq_file *seq, void *v)
@@ -253,7 +235,7 @@ static int atm_dev_seq_show(struct seq_file *seq, void *v)
"Itf Type ESI/\"MAC\"addr "
"AAL(TX,err,RX,err,drop) ... [refcnt]\n";
- if (v == (void *)1)
+ if (v == SEQ_START_TOKEN)
seq_puts(seq, atm_dev_banner);
else {
struct atm_dev *dev = list_entry(v, struct atm_dev, dev_list);
@@ -287,7 +269,7 @@ static int pvc_seq_show(struct seq_file *seq, void *v)
static char atm_pvc_banner[] =
"Itf VPI VCI AAL RX(PCR,Class) TX(PCR,Class)\n";
- if (v == (void *)1)
+ if (v == SEQ_START_TOKEN)
seq_puts(seq, atm_pvc_banner);
else {
struct vcc_state *state = seq->private;
@@ -314,12 +296,12 @@ static const struct file_operations pvc_seq_fops = {
.open = pvc_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = vcc_seq_release,
+ .release = seq_release_private,
};
static int vcc_seq_show(struct seq_file *seq, void *v)
{
- if (v == (void *)1) {
+ if (v == SEQ_START_TOKEN) {
seq_printf(seq, sizeof(void *) == 4 ? "%-8s%s" : "%-16s%s",
"Address ", "Itf VPI VCI Fam Flags Reply "
"Send buffer Recv buffer [refcnt]\n");
@@ -348,7 +330,7 @@ static const struct file_operations vcc_seq_fops = {
.open = vcc_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = vcc_seq_release,
+ .release = seq_release_private,
};
static int svc_seq_show(struct seq_file *seq, void *v)
@@ -356,7 +338,7 @@ static int svc_seq_show(struct seq_file *seq, void *v)
static char atm_svc_banner[] =
"Itf VPI VCI State Remote\n";
- if (v == (void *)1)
+ if (v == SEQ_START_TOKEN)
seq_puts(seq, atm_svc_banner);
else {
struct vcc_state *state = seq->private;
@@ -383,7 +365,7 @@ static const struct file_operations svc_seq_fops = {
.open = svc_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = vcc_seq_release,
+ .release = seq_release_private,
};
static ssize_t proc_dev_atm_read(struct file *file, char __user *buf,