diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 35729722ac59154c1aaa6040a3f67b4a0413850f..facd4315ef567b4aae52c06e64799fd7d9d3712f 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -163,6 +163,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
 			goto posix_open_ret;
 		}
 	} else {
+		cifs_revalidate_mapping(*pinode);
 		cifs_fattr_to_inode(*pinode, &fattr);
 	}