switch rqst_exp_parent()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index d84c4ea..9f1ea31 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -169,28 +169,29 @@
/* checking mountpoint crossing is very different when stepping up */
struct svc_export *exp2 = NULL;
struct dentry *dp;
- struct vfsmount *mnt = mntget(exp->ex_path.mnt);
- dentry = dget(dparent);
- while(dentry == mnt->mnt_root && follow_up(&mnt, &dentry))
- ;
- dp = dget_parent(dentry);
- dput(dentry);
- dentry = dp;
+ struct path path = {.mnt = mntget(exp->ex_path.mnt),
+ .dentry = dget(dparent)};
- exp2 = rqst_exp_parent(rqstp, mnt, dentry);
+ while (path.dentry == path.mnt->mnt_root &&
+ follow_up(&path.mnt, &path.dentry))
+ ;
+ dp = dget_parent(path.dentry);
+ dput(path.dentry);
+ path.dentry = dp;
+
+ exp2 = rqst_exp_parent(rqstp, &path);
if (PTR_ERR(exp2) == -ENOENT) {
- dput(dentry);
dentry = dget(dparent);
} else if (IS_ERR(exp2)) {
host_err = PTR_ERR(exp2);
- dput(dentry);
- mntput(mnt);
+ path_put(&path);
goto out_nfserr;
} else {
+ dentry = dget(path.dentry);
exp_put(exp);
exp = exp2;
}
- mntput(mnt);
+ path_put(&path);
}
} else {
fh_lock(fhp);