[patch 4/5] vfs: reuse local variable in vfs_link()

Why not reuse "inode" which is assigned as

  struct inode *inode = old_dentry->d_inode;

in the beginning of vfs_link() ?

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/namei.c b/fs/namei.c
index 46af98ed136b..3b67be7631dc 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2524,19 +2524,19 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
                 return -EPERM;
         if (!dir->i_op || !dir->i_op->link)
                 return -EPERM;
-        if (S_ISDIR(old_dentry->d_inode->i_mode))
+        if (S_ISDIR(inode->i_mode))
                 return -EPERM;
 
         error = security_inode_link(old_dentry, dir, new_dentry);
         if (error)
                 return error;
 
-        mutex_lock(&old_dentry->d_inode->i_mutex);
+        mutex_lock(&inode->i_mutex);
         DQUOT_INIT(dir);
         error = dir->i_op->link(old_dentry, dir, new_dentry);
-        mutex_unlock(&old_dentry->d_inode->i_mutex);
+        mutex_unlock(&inode->i_mutex);
         if (!error)
-                fsnotify_link(dir, old_dentry->d_inode, new_dentry);
+                fsnotify_link(dir, inode, new_dentry);
         return error;
 }