1 files changed, 6 insertions, 2 deletions

diff --git a/fs/namei.c b/fs/namei.c
index 726d211db484..33e9495a3129 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1558,8 +1558,6 @@ static int lookup_fast(struct nameidata *nd,
                 negative = d_is_negative(dentry);
                 if (read_seqcount_retry(&dentry->d_seq, seq))
                         return -ECHILD;
-                if (negative)
-                        return -ENOENT;
 
                 /*
                  * This sequence count validates that the parent had no
@@ -1580,6 +1578,12 @@ static int lookup_fast(struct nameidata *nd,
                                 goto unlazy;
                         }
                 }
+                /*
+                 * Note: do negative dentry check after revalidation in
+                 * case that drops it.
+                 */
+                if (negative)
+                        return -ENOENT;
                 path->mnt = mnt;
                 path->dentry = dentry;
                 if (likely(__follow_mount_rcu(nd, path, inode, seqp)))