diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 94b305bbd621..90dd32a24e5b 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1474,7 +1474,7 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, urb->sg, urb->num_sgs, dir); - if (n <= 0) + if (!n) ret = -EAGAIN; else urb->transfer_flags |= URB_DMA_MAP_SG; |