hppfs: handle ->put_link()
current code works only because nothing in procfs has non-trivial
->put_link().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index a5089a6..7239efc 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -646,22 +646,27 @@
static int hppfs_readlink(struct dentry *dentry, char __user *buffer,
int buflen)
{
- struct dentry *proc_dentry;
-
- proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
+ struct dentry *proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
return proc_dentry->d_inode->i_op->readlink(proc_dentry, buffer,
buflen);
}
static void *hppfs_follow_link(struct dentry *dentry, struct nameidata *nd)
{
- struct dentry *proc_dentry;
-
- proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
+ struct dentry *proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
return proc_dentry->d_inode->i_op->follow_link(proc_dentry, nd);
}
+static void hppfs_put_link(struct dentry *dentry, struct nameidata *nd,
+ void *cookie)
+{
+ struct dentry *proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
+
+ if (proc_dentry->d_inode->i_op->put_link)
+ proc_dentry->d_inode->i_op->put_link(proc_dentry, nd, cookie);
+}
+
static const struct inode_operations hppfs_dir_iops = {
.lookup = hppfs_lookup,
};
@@ -669,6 +674,7 @@
static const struct inode_operations hppfs_link_iops = {
.readlink = hppfs_readlink,
.follow_link = hppfs_follow_link,
+ .put_link = hppfs_put_link,
};
static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)