const unsigned char **wnames, *uname;
int i, n, l, clone, access;
struct v9fs_session_info *v9ses;
- struct p9_fid *fid, *old_fid = NULL;
+ struct p9_fid *fid, *old_fid;
v9ses = v9fs_dentry2v9ses(dentry);
access = v9ses->flags & V9FS_ACCESS_MASK;
if (IS_ERR(fid))
return fid;
+ refcount_inc(&fid->count);
v9fs_fid_add(dentry->d_sb->s_root, fid);
}
/* If we are root ourself just return that */
- if (dentry->d_sb->s_root == dentry) {
- refcount_inc(&fid->count);
+ if (dentry->d_sb->s_root == dentry)
return fid;
- }
/*
* Do a multipath walk with attached root.
* When walking parent we need to make sure we
fid = ERR_PTR(n);
goto err_out;
}
+ old_fid = fid;
clone = 1;
i = 0;
while (i < n) {
* walk to ensure none of the patch component change
*/
fid = p9_client_walk(fid, l, &wnames[i], clone);
+ /* non-cloning walk will return the same fid */
+ if (fid != old_fid) {
+ p9_client_clunk(old_fid);
+ old_fid = fid;
+ }
if (IS_ERR(fid)) {
- if (old_fid) {
- /*
- * If we fail, clunk fid which are mapping
- * to path component and not the last component
- * of the path.
- */
- p9_client_clunk(old_fid);
- }
kfree(wnames);
goto err_out;
}
- old_fid = fid;
i += l;
clone = 0;
}