diff options
| -rw-r--r-- | sys/src/9/port/dev.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/src/9/port/dev.c b/sys/src/9/port/dev.c index 3d0eb4280..464aedc48 100644 --- a/sys/src/9/port/dev.c +++ b/sys/src/9/port/dev.c @@ -176,18 +176,17 @@ devwalk(Chan *c, Chan *nc, char **name, int nname, Dirtab *tab, int ntab, Devgen if(nname > 0) isdir(c); - alloc = 0; + alloc = (nc == nil); wq = smalloc(sizeof(Walkqid)+(nname-1)*sizeof(Qid)); if(waserror()){ - if(alloc && wq->clone!=nil) + if(alloc && wq->clone != nil) cclose(wq->clone); free(wq); return nil; } - if(nc == nil){ + if(alloc){ nc = devclone(c); nc->type = 0; /* device doesn't know about this channel yet */ - alloc = 1; } wq->clone = nc; @@ -252,7 +251,7 @@ Done: if(alloc) cclose(wq->clone); wq->clone = nil; - }else if(wq->clone){ + }else if(wq->clone != nil){ /* attach cloned channel to same device */ wq->clone->type = c->type; } |