diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:25:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:25:44 -0800 |
| commit | c6c88bbde4d8b2ffe9886b7130b2e23781d424e5 (patch) | |
| tree | 47c2b61983acc6fbc42d89813729b87bbaf2aed9 /drivers/usb/host/ehci-q.c | |
| parent | 0356dbb7fe87ba59558902e536d9f960e87353c1 (diff) | |
| parent | c8dd7709c534ab0d713aa698c99132b6c812b57c (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-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)) { |