AcoSail/kernel_optimize_test
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hppfs: fix the leaks on close()

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we need to close the underlying procfs file and free ->private_data

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-04-14 15:34:01 -04:00
parent 3dc20cb282
commit b5edfd2769
1 changed files with 12 additions and 1 deletions
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13
fs/hppfs/hppfs.c
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@ -436,7 +436,6 @@ static int hppfs_open(struct inode *inode, struct file *file)
path.mnt = inode->i_sb->s_fs_info;
path.dentry = HPPFS_I(inode)->proc_dentry;
/* XXX This isn't closed anywhere */
data->proc_file = dentry_open(&path, file_mode(file->f_mode), cred);
err = PTR_ERR(data->proc_file);
if (IS_ERR(data->proc_file))
@ -523,12 +522,23 @@ static loff_t hppfs_llseek(struct file *file, loff_t off, int where)
return default_llseek(file, off, where);
}
static int hppfs_release(struct inode *inode, struct file *file)
{
struct hppfs_private *data = file->private_data;
struct file *proc_file = data->proc_file;
if (proc_file)
fput(proc_file);
kfree(data);
return 0;
}
static const struct file_operations hppfs_file_fops = {
.owner = NULL,
.llseek = hppfs_llseek,
.read = hppfs_read,
.write = hppfs_write,
.open = hppfs_open,
.release = hppfs_release,
};
struct hppfs_dirent {
@ -582,6 +592,7 @@ static const struct file_operations hppfs_dir_fops = {
.open = hppfs_dir_open,
.fsync = hppfs_fsync,
.llseek = default_llseek,
.release = hppfs_release,
};
static int hppfs_statfs(struct dentry *dentry, struct kstatfs *sf)