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-rw-r--r--sys/src/cmd/upas/fs/fs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/src/cmd/upas/fs/fs.c b/sys/src/cmd/upas/fs/fs.c
index bb139d077..e16f58348 100644
--- a/sys/src/cmd/upas/fs/fs.c
+++ b/sys/src/cmd/upas/fs/fs.c
@@ -1329,6 +1329,7 @@ rwstat(Fid*)
static Fid*
checkfid(Fid *f)
{
+ if(f->busy)
switch(FILE(f->qid.path)){
case Qtop:
case Qctl: