Author: <agx@sigxcpu.org>
Description: Fix write error detection
--- a/mouseemu.c
+++ b/mouseemu.c
@@ -92,7 +92,7 @@
 
 static void passthrough(int fd, struct input_event event)
 {
-	if (write(fd, &event, sizeof(event)) < sizeof(event))
+	if (write(fd, &event, sizeof(event)) <= 0)
 		perror("passthrough error");
 
 }
