diff --git a/fs/seq_file.c b/fs/seq_file.c
index 49194a4e6b91ba9dcd22c3aa7fe81f794aca4413..e8e51db4989d9123bd0d8c6eb13a3a0346bf30e7 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -260,8 +260,8 @@ loff_t seq_lseek(struct file *file, loff_t offset, int origin)
 				}
 			}
 	}
-	mutex_unlock(&m->lock);
 	file->f_version = m->version;
+	mutex_unlock(&m->lock);
 	return retval;
 }
 EXPORT_SYMBOL(seq_lseek);