diff options
| -rw-r--r-- | sys/src/cmd/ip/torrent.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/src/cmd/ip/torrent.c b/sys/src/cmd/ip/torrent.c index c8193d727..96d3d524a 100644 --- a/sys/src/cmd/ip/torrent.c +++ b/sys/src/cmd/ip/torrent.c @@ -192,11 +192,11 @@ rwpiece(int wr, int index, uchar *data, int len, int poff) int n, m; File *f; - if(len <= 0 || poff >= pieces[index].len) + if(len <= 0 || poff < 0 || poff >= pieces[index].len) return 0; if(len+poff > pieces[index].len) len = pieces[index].len - poff; - off = (vlong)index * blocksize; + off = (vlong)index * (vlong)blocksize; off += poff; for(f = files; f; f = f->next) if((f->off+f->len) > off) |