err = -ENOMEM;
parent = HPPFS_I(ino)->proc_dentry;
- down(&parent->d_inode->i_sem);
+ mutex_lock(&parent->d_inode->i_mutex);
proc_dentry = d_lookup(parent, &dentry->d_name);
if(proc_dentry == NULL){
proc_dentry = d_alloc(parent, &dentry->d_name);
if(proc_dentry == NULL){
- up(&parent->d_inode->i_sem);
+ mutex_unlock(&parent->d_inode->i_mutex);
goto out;
}
new = (*parent->d_inode->i_op->lookup)(parent->d_inode,
proc_dentry = new;
}
}
- up(&parent->d_inode->i_sem);
+ mutex_unlock(&parent->d_inode->i_mutex);
if(IS_ERR(proc_dentry))
return(proc_dentry);
static struct inode_operations hppfs_file_iops = {
};
-static ssize_t read_proc(struct file *file, char *buf, ssize_t count,
+static ssize_t read_proc(struct file *file, char __user *buf, ssize_t count,
loff_t *ppos, int is_user)
{
- ssize_t (*read)(struct file *, char *, size_t, loff_t *);
+ ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
ssize_t n;
read = file->f_dentry->d_inode->i_fop->read;
return n;
}
-static ssize_t hppfs_read_file(int fd, char *buf, ssize_t count)
+static ssize_t hppfs_read_file(int fd, char __user *buf, ssize_t count)
{
ssize_t n;
int cur, err;
return n;
}
-static ssize_t hppfs_read(struct file *file, char *buf, size_t count,
+static ssize_t hppfs_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
struct hppfs_private *hppfs = file->private_data;
return(count);
}
-static ssize_t hppfs_write(struct file *file, const char *buf, size_t len,
+static ssize_t hppfs_write(struct file *file, const char __user *buf, size_t len,
loff_t *ppos)
{
struct hppfs_private *data = file->private_data;
struct file *proc_file = data->proc_file;
- ssize_t (*write)(struct file *, const char *, size_t, loff_t *);
+ ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
int err;
write = proc_file->f_dentry->d_inode->i_fop->write;
return(default_llseek(file, off, where));
}
-static struct file_operations hppfs_file_fops = {
+static const struct file_operations hppfs_file_fops = {
.owner = NULL,
.llseek = hppfs_llseek,
.read = hppfs_read,
return(0);
}
-static struct file_operations hppfs_dir_fops = {
+static const struct file_operations hppfs_dir_fops = {
.owner = NULL,
.readdir = hppfs_readdir,
.open = hppfs_dir_open,
.statfs = hppfs_statfs,
};
-static int hppfs_readlink(struct dentry *dentry, char *buffer, int buflen)
+static int hppfs_readlink(struct dentry *dentry, char __user *buffer, int buflen)
{
struct file *proc_file;
struct dentry *proc_dentry;