--- x/fs/fuse/dev.c
+++ d/fs/fuse/dev.c
@@ -1864,15 +1864,6 @@ static ssize_t fuse_dev_do_write(struct
 	if (oh.len != nbytes)
 		goto copy_finish;
 
-	/*
-	 * Zero oh.unique indicates unsolicited notification message
-	 * and error contains notification code.
-	 */
-	if (!oh.unique) {
-		err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), cs);
-		goto out;
-	}
-
 	err = -EINVAL;
 	if (oh.error <= -512 || oh.error > 0)
 		goto copy_finish;
@@ -1933,6 +1924,13 @@ static ssize_t fuse_dev_do_write(struct
 
 	fuse_request_end(req);
 out:
+	/*
+	 * Zero oh.unique indicates unsolicited notification message
+	 * and error contains notification code.
+	 */
+	if (!oh.unique)
+		err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), cs);
+
 	return err ? err : nbytes;
 
 copy_finish: