namei: minor vfs_unlink cleanup

We'll be using dentry->d_inode in one more place.

Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/namei.c b/fs/namei.c
index 88cec0330bf7..e633a58d4222 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3617,6 +3617,7 @@ SYSCALL_DEFINE1(rmdir, const char __user *, pathname)
 
 int vfs_unlink(struct inode *dir, struct dentry *dentry)
 {
+        struct inode *target = dentry->d_inode;
         int error = may_delete(dir, dentry, 0);
 
         if (error)
@@ -3625,7 +3626,7 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
         if (!dir->i_op->unlink)
                 return -EPERM;
 
-        mutex_lock(&dentry->d_inode->i_mutex);
+        mutex_lock(&target->i_mutex);
         if (d_mountpoint(dentry))
                 error = -EBUSY;
         else {
@@ -3636,11 +3637,11 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
                                 dont_mount(dentry);
                 }
         }
-        mutex_unlock(&dentry->d_inode->i_mutex);
+        mutex_unlock(&target->i_mutex);
 
         /* We don't d_delete() NFS sillyrenamed files--they still exist. */
         if (!error && !(dentry->d_flags & DCACHE_NFSFS_RENAMED)) {
-                fsnotify_link_count(dentry->d_inode);
+                fsnotify_link_count(target);
                 d_delete(dentry);
         }