diff options
Diffstat (limited to 'src/drivers/usb')
| -rw-r--r-- | src/drivers/usb/ehci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/drivers/usb/ehci.c b/src/drivers/usb/ehci.c index 0a89ec133..c2de53a47 100644 --- a/src/drivers/usb/ehci.c +++ b/src/drivers/usb/ehci.c @@ -603,6 +603,8 @@ static int ehci_enqueue ( struct ehci_device *ehci, struct ehci_ring *ring, /* Fail if any portion is unreachable */ for ( i = 0 ; i < count ; i++ ) { + if ( ! xfer[i].len ) + continue; phys = ( virt_to_phys ( xfer[i].data ) + xfer[i].len - 1 ); if ( ( phys > 0xffffffffUL ) && ( ! ehci->addr64 ) ) return -ENOTSUP; |