ref: cbb83c4fcee19d89d7b4927dcad734af02d24f24
parent: 11e38d21c8cd381eb8861b9b0cb7d7f25d68b8b4
author: cinap_lenrek <[email protected]>
date: Sun Feb 26 15:19:58 EST 2012
kbdfs: properly handle zero length write to kbdin
--- a/sys/src/cmd/aux/kbdfs/kbdfs.c
+++ b/sys/src/cmd/aux/kbdfs/kbdfs.c
@@ -1114,9 +1114,9 @@
case Qkbdin:
p = r->ifcall.data;
n = r->ifcall.count;
- if(n <= 0)
- n = 0;
r->ofcall.count = n;
+ if(n == 0)
+ break;
if(p[n-1] != 0){/*
* old format as used by bitsy keyboard: