From fa588406f02b5f2adf666211bef03fbee30a61b0 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Mon, 13 Jan 2020 17:07:44 -0500
Subject: 9pfuse: do not fswalk("..")

f is open, so walk will fail.
The comments say we only need one directory anyway.

Fixes #277.
---
 src/cmd/9pfuse/main.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

(limited to 'src/cmd/9pfuse')

diff --git a/src/cmd/9pfuse/main.c b/src/cmd/9pfuse/main.c
index 0df61002..69d1ad75 100644
--- a/src/cmd/9pfuse/main.c
+++ b/src/cmd/9pfuse/main.c
@@ -885,7 +885,7 @@ fusereadlink(FuseMsg *m)
  * are stored in m->d,nd,d0.
  */
 int canpack(Dir*, uvlong, uchar**, uchar*);
-Dir *dotdirs(CFid*);
+Dir *dotdir(CFid*);
 void
 fusereaddir(FuseMsg *m)
 {
@@ -902,8 +902,8 @@ fusereaddir(FuseMsg *m)
 	if(in->offset == 0){
 		fsseek(ff->fid, 0, 0);
 		free(ff->d0);
-		ff->d0 = ff->d = dotdirs(ff->fid);
-		ff->nd = 2;
+		ff->d0 = ff->d = dotdir(ff->fid);
+		ff->nd = 1;
 	}
 	n = in->size;
 	if(n > fusemaxwrite)
@@ -944,20 +944,13 @@ out:
  * We could add .. too, but it isn't necessary.
  */
 Dir*
-dotdirs(CFid *f)
+dotdir(CFid *f)
 {
 	Dir *d;
-	CFid *f1;
 
-	d = emalloc(2*sizeof *d);
+	d = emalloc(1*sizeof *d);
 	d[0].name = ".";
 	d[0].qid = fsqid(f);
-	d[1].name = "..";
-	f1 = fswalk(f, "..");
-	if(f1){
-		d[1].qid = fsqid(f1);
-		fsclose(f1);
-	}
 	return d;
 }
 
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