switch rqst_exp_parent()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 10 insertions, 15 deletions

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 84f5e5cb0863..8b1f8efb4690 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1299,24 +1299,19 @@ gss:
 }
 
 struct svc_export *
-rqst_exp_parent(struct svc_rqst *rqstp, struct vfsmount *mnt,
-                struct dentry *dentry)
+rqst_exp_parent(struct svc_rqst *rqstp, struct path *path)
 {
-        struct svc_export *exp;
-        struct path path = {.mnt = mnt, .dentry = dentry};
-
-        dget(dentry);
-        exp = rqst_exp_get_by_name(rqstp, &path);
-
-        while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(dentry)) {
-                struct dentry *parent;
+        struct dentry *saved = dget(path->dentry);
+        struct svc_export *exp = rqst_exp_get_by_name(rqstp, path);
 
-                parent = dget_parent(dentry);
-                dput(dentry);
-                dentry = parent;
-                exp = rqst_exp_get_by_name(rqstp, &path);
+        while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(path->dentry)) {
+                struct dentry *parent = dget_parent(path->dentry);
+                dput(path->dentry);
+                path->dentry = parent;
+                exp = rqst_exp_get_by_name(rqstp, path);
         }
-        dput(dentry);
+        dput(path->dentry);
+        path->dentry = saved;
         return exp;
 }