Use path_put() in a few places instead of {mnt,d}put()

Use path_put() in a few places instead of {mnt,d}put()

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index e13cea2..a3510b8 100644 (file)
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -235,8 +235,7 @@ static void *afs_mntpt_follow_link(struct dentry *dentry, struct nameidata *nd)
        err = do_add_mount(newmnt, nd, MNT_SHRINKABLE, &afs_vfsmounts);
        switch (err) {
        case 0:
-               dput(nd->path.dentry);
-               mntput(nd->path.mnt);
+               path_put(&nd->path);
                nd->path.mnt = newmnt;
                nd->path.dentry = dget(newmnt->mnt_root);
                schedule_delayed_work(&afs_mntpt_expiry_timer,

diff --git a/fs/namei.c b/fs/namei.c
index b0df7ea..0249935 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -625,8 +625,7 @@ static __always_inline int __do_follow_link(struct path *path, struct nameidata
                if (dentry->d_inode->i_op->put_link)
                        dentry->d_inode->i_op->put_link(dentry, nd, cookie);
        }
-       dput(dentry);
-       mntput(path->mnt);
+       path_put(path);
 
        return error;
 }
@@ -1033,8 +1032,7 @@ static int link_path_walk(const char *name, struct nameidata *nd)
                result = __link_path_walk(name, nd);
        }
 
-       dput(save.path.dentry);
-       mntput(save.path.mnt);
+       path_put(&save.path);
 
        return result;
 }
@@ -1056,8 +1054,7 @@ static int __emul_lookup_dentry(const char *name, struct nameidata *nd)
 
        if (!nd->path.dentry->d_inode ||
            S_ISDIR(nd->path.dentry->d_inode->i_mode)) {
-               struct dentry *old_dentry = nd->path.dentry;
-               struct vfsmount *old_mnt = nd->path.mnt;
+               struct path old_path = nd->path;
                struct qstr last = nd->last;
                int last_type = nd->last_type;
                struct fs_struct *fs = current->fs;
@@ -1073,14 +1070,12 @@ static int __emul_lookup_dentry(const char *name, struct nameidata *nd)
                read_unlock(&fs->lock);
                if (path_walk(name, nd) == 0) {
                        if (nd->path.dentry->d_inode) {
-                               dput(old_dentry);
-                               mntput(old_mnt);
+                               path_put(&old_path);
                                return 1;
                        }
                        path_put(&nd->path);
                }
-               nd->path.dentry = old_dentry;
-               nd->path.mnt = old_mnt;
+               nd->path = old_path;
                nd->last = last;
                nd->last_type = last_type;
        }