From 9e2f1d9bf4c3ce413953b17fa7605b49322d1ace Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Mon, 21 Nov 2005 20:42:52 +0000
Subject: 9P2000.u fixes (Lucho Ionkov)

---
 src/cmd/vac/vacfs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src/cmd/vac')

diff --git a/src/cmd/vac/vacfs.c b/src/cmd/vac/vacfs.c
index b82dee2e..17d0903c 100644
--- a/src/cmd/vac/vacfs.c
+++ b/src/cmd/vac/vacfs.c
@@ -557,7 +557,8 @@ rclunk(Fid *f)
 	f->open = 0;
 	vtfree(f->user);
 	f->user = nil;
-	vacfiledecref(f->file);
+	if(f->file)
+		vacfiledecref(f->file);
 	f->file = nil;
 	dirBufFree(f->db);
 	f->db = nil;
@@ -847,7 +848,9 @@ io(void)
 		if(dflag)
 			fprint(2, "vacfs:->%F\n", &thdr);
 		n = convS2Mu(&thdr, mdata, messagesize, dotu);
-		if (err)
+		if(n <= BIT16SZ)
+			sysfatal("convS2Mu conversion error");
+		if(err)
 			vtfree(err);
 
 		if(write(mfd[1], mdata, n) != n)
-- 
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