diff options
| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-01-05 22:25:13 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-01-05 22:25:13 -0500 |
| commit | fed8bf19ec20efc0641740b2d10aa589dbd6d1ab (patch) | |
| tree | c104a13c7b8cb7f4152b15729dc5aede7c063e91 /drivers/usb/host/ehci-q.c | |
| parent | e7c3aad53dba54d375b632f2a21b680546828dec (diff) | |
| parent | 46f25dffbaba48c571d75f5f574f31978287b8d2 (diff) | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/usb/host/ehci-q.c')
| -rw-r--r-- | drivers/usb/host/ehci-q.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index bf03ec0d8ee..9b13bf2fa98 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -514,18 +514,18 @@ qh_urb_transaction ( qtd->urb = urb; qtd_prev->hw_next = QTD_NEXT (qtd->qtd_dma); list_add_tail (&qtd->qtd_list, head); + + /* for zero length DATA stages, STATUS is always IN */ + if (len == 0) + token |= (1 /* "in" */ << 8); } /* * data transfer stage: buffer setup */ - if (likely (len > 0)) - buf = urb->transfer_dma; - else - buf = 0; + buf = urb->transfer_dma; - /* for zero length DATA stages, STATUS is always IN */ - if (!buf || is_input) + if (is_input) token |= (1 /* "in" */ << 8); /* else it's already initted to "out" pid (0 << 8) */ @@ -572,7 +572,7 @@ qh_urb_transaction ( * control requests may need a terminating data "status" ack; * bulk ones may need a terminating short packet (zero length). */ - if (likely (buf != 0)) { + if (likely (urb->transfer_buffer_length != 0)) { int one_more = 0; if (usb_pipecontrol (urb->pipe)) { |