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-rw-r--r--sys/src/9/port/devmouse.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/sys/src/9/port/devmouse.c b/sys/src/9/port/devmouse.c
index 940e8ef97..cec16c753 100644
--- a/sys/src/9/port/devmouse.c
+++ b/sys/src/9/port/devmouse.c
@@ -304,8 +304,6 @@ setbuttonmap(char* map)
one = two = three = 0;
for(i = 0; i < 3; i++){
- if(map[i] == 0)
- error(Ebadarg);
if(map[i] == '1'){
if(one)
error(Ebadarg);