diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-06 09:48:31 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-06 09:48:31 -0700 |
| commit | c87985a3ce723995fc7b25e598238d67154108a1 (patch) | |
| tree | e60def1b77c25c1d74180f62e8a5603f9826f209 /drivers/usb/core/hcd.c | |
| parent | d155255a344c417acad74156654295a2964e6b81 (diff) | |
| parent | 0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff) | |
Merge tty-next into 3.6-rc1
This handles the merge issue in:
arch/um/drivers/line.c
arch/um/drivers/line.h
And resolves the duplicate patches that were in both trees do to the
tty-next branch not getting merged into 3.6-rc1.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 190b1ec7bdc..bc84106ac05 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1398,7 +1398,15 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, && !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)) { if (hcd->self.uses_dma) { if (urb->num_sgs) { - int n = dma_map_sg( + int n; + + /* We don't support sg for isoc transfers ! */ + if (usb_endpoint_xfer_isoc(&urb->ep->desc)) { + WARN_ON(1); + return -EINVAL; + } + + n = dma_map_sg( hcd->self.controller, urb->sg, urb->num_sgs, |