/*
* We only allow strings that start with 'Y', 'y', or '1'.
*/
static ssize_t
nlm_end_grace_write(struct file *file, const char __user *buf, size_t size,
loff_t *pos)
{
char *data;
struct lockd_net *ln = net_generic(current->nsproxy->net_ns,
lockd_net_id);
if (size < 1)
return -EINVAL;
data = simple_transaction_get(file, buf, size);
if (IS_ERR(data))
return PTR_ERR(data);
switch(data[0]) {
case 'Y':
case 'y':
case '1':
locks_end_grace(&ln->lockd_manager);
break;
default:
return -EINVAL;
}
return size;
}
static ssize_t selinux_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos)
{
ino_t ino = file->f_path.dentry->d_inode->i_ino;
char *data;
ssize_t rv;
if (ino >= ARRAY_SIZE(write_op) || !write_op[ino])
return -EINVAL;
data = simple_transaction_get(file, buf, size);
if (IS_ERR(data))
return PTR_ERR(data);
rv = write_op[ino](file, data, size);
if (rv > 0) {
simple_transaction_set(file, rv);
rv = size;
}
return rv;
}