From c4bda6a56d47b42a36c2022b05fd1da354ec7142 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Fri, 8 Dec 2000 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2000-12-08

---
 bitsy/devsac.c | 2 --
 bitsy/l.s      | 6 +++---
 mpc/devsac.c   | 2 --
 3 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/bitsy/devsac.c b/bitsy/devsac.c
index 93ba4b1be4b6681388536bfd2c80abf2db276d3a..89fe7281a27da54407e9d21fa8c24c46490bef16 100644
--- a/bitsy/devsac.c
+++ b/bitsy/devsac.c
@@ -161,8 +161,6 @@ sacwalk(Chan *c, char *name)
 	isdir(c);
 	if(name[0]=='.' && name[1]==0)
 		return 1;
-	if(name[0]=='.' && name[1]=='.' && name[2]==0)
-		return 1;
 	sac = c->aux;
 	sac = saclookup(sac, name);
 	if(sac == nil) {
diff --git a/bitsy/l.s b/bitsy/l.s
index 9cbbfc849e6f34a43bb646c73f1da33c35a517bc..f6ce6dee9a44a7a6366941c1629b6b176156f61e 100644
--- a/bitsy/l.s
+++ b/bitsy/l.s
@@ -416,9 +416,9 @@ TEXT getcallerpc(SB), $-4
 
 TEXT tas(SB), $-4
 	MOVW	R0, R1
-	MOVW	$0xDEADDEAD, R2
-	MOVW	R2, R3
-	SWPW	R2, (R1), R0
+	MOVW	$0xDEADDEAD, R0
+	MOVW	R0, R3
+	SWPW	R0, (R1)
 	CMP.S	R0, R3
 	BEQ	_tasout
 	EOR	R3, R3
diff --git a/mpc/devsac.c b/mpc/devsac.c
index 3ee3e104e9f7abb950d6079d3cfd59bfd51c2d95..804e89931750a08086df04d4ad2f5b1aa823d93f 100644
--- a/mpc/devsac.c
+++ b/mpc/devsac.c
@@ -173,8 +173,6 @@ sacwalk(Chan *c, char *name)
 	isdir(c);
 	if(name[0]=='.' && name[1]==0)
 		return 1;
-	if(name[0]=='.' && name[1]=='.' && name[2]==0)
-		return 1;
 	sac = c->aux;
 	sac = saclookup(sac, name);
 	if(sac == nil) {