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Use single_open instead of manual manipulations.

Browse source 
The code opening proc entry for each device makes the
same thing, as the single_open does, so remove the
unneeded code.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Pavel Emelyanov 2008-02-18 13:55:10 +03:00 • committed by Jeff Garzik
parent 57bb7e2228
commit 1119d577cc
1 changed files with 3 additions and 39 deletions
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42
drivers/net/ibmveth.c
View file

@ -1259,26 +1259,7 @@ static void ibmveth_proc_unregister_driver(void)
remove_proc_entry(IBMVETH_PROC_DIR, init_net.proc_net); remove_proc_entry(IBMVETH_PROC_DIR, init_net.proc_net);
} }
static void *ibmveth_seq_start(struct seq_file *seq, loff_t *pos) static int ibmveth_show(struct seq_file *seq, void *v)
{
if (*pos == 0) {
return (void *)1;
} else {
return NULL;
}
}
static void *ibmveth_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
return NULL;
}
static void ibmveth_seq_stop(struct seq_file *seq, void *v)
{
}
static int ibmveth_seq_show(struct seq_file *seq, void *v)
{ {
struct ibmveth_adapter *adapter = seq->private; struct ibmveth_adapter *adapter = seq->private;
char *current_mac = ((char*) &adapter->netdev->dev_addr); char *current_mac = ((char*) &adapter->netdev->dev_addr);
@ -1302,27 +1283,10 @@ static int ibmveth_seq_show(struct seq_file *seq, void *v)
return 0; return 0;
} }
static struct seq_operations ibmveth_seq_ops = {
.start = ibmveth_seq_start,
.next = ibmveth_seq_next,
.stop = ibmveth_seq_stop,
.show = ibmveth_seq_show,
};
static int ibmveth_proc_open(struct inode *inode, struct file *file) static int ibmveth_proc_open(struct inode *inode, struct file *file)
{ {
struct seq_file *seq; return single_open(file, ibmveth_show, PDE(inode)->data);
struct proc_dir_entry *proc;
int rc;
rc = seq_open(file, &ibmveth_seq_ops);
if (!rc) {
/* recover the pointer buried in proc_dir_entry data */
seq = file->private_data;
proc = PDE(inode);
seq->private = proc->data;
}
return rc;
} }
static const struct file_operations ibmveth_proc_fops = { static const struct file_operations ibmveth_proc_fops = {
@ -1330,7 +1294,7 @@ static const struct file_operations ibmveth_proc_fops = {
.open = ibmveth_proc_open, .open = ibmveth_proc_open,
.read = seq_read, .read = seq_read,
.llseek = seq_lseek, .llseek = seq_lseek,
.release = seq_release, .release = single_release,
}; };
static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter) static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter)