Introduce path_put()

* Add path_put() functions for releasing a reference to the dentry and
  vfsmount of a struct path in the right order

* Switch from path_release(nd) to path_put(&nd->path)

* Rename dput_path() to path_put_conditional()

[akpm@linux-foundation.org: fix cifs]
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: <linux-fsdevel@vger.kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/stat.c b/fs/stat.c
index 82680f2c01d2..9cf41f719d50 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -63,7 +63,7 @@ int vfs_stat_fd(int dfd, char __user *name, struct kstat *stat)
         error = __user_walk_fd(dfd, name, LOOKUP_FOLLOW, &nd);
         if (!error) {
                 error = vfs_getattr(nd.path.mnt, nd.path.dentry, stat);
-                path_release(&nd);
+                path_put(&nd.path);
         }
         return error;
 }
@@ -83,7 +83,7 @@ int vfs_lstat_fd(int dfd, char __user *name, struct kstat *stat)
         error = __user_walk_fd(dfd, name, 0, &nd);
         if (!error) {
                 error = vfs_getattr(nd.path.mnt, nd.path.dentry, stat);
-                path_release(&nd);
+                path_put(&nd.path);
         }
         return error;
 }
@@ -313,7 +313,7 @@ asmlinkage long sys_readlinkat(int dfd, const char __user *path,
                                                               buf, bufsiz);
                         }
                 }
-                path_release(&nd);
+                path_put(&nd.path);
         }
         return error;
 }