diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/ehci-hcd.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 8c3e860bfce3..a02dcff5eb21 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c | |||
@@ -764,8 +764,14 @@ static int ehci_urb_enqueue ( | |||
764 | INIT_LIST_HEAD (&qtd_list); | 764 | INIT_LIST_HEAD (&qtd_list); |
765 | 765 | ||
766 | switch (usb_pipetype (urb->pipe)) { | 766 | switch (usb_pipetype (urb->pipe)) { |
767 | // case PIPE_CONTROL: | 767 | case PIPE_CONTROL: |
768 | // case PIPE_BULK: | 768 | /* qh_completions() code doesn't handle all the fault cases |
769 | * in multi-TD control transfers. Even 1KB is rare anyway. | ||
770 | */ | ||
771 | if (urb->transfer_buffer_length > (16 * 1024)) | ||
772 | return -EMSGSIZE; | ||
773 | /* FALLTHROUGH */ | ||
774 | /* case PIPE_BULK: */ | ||
769 | default: | 775 | default: |
770 | if (!qh_urb_transaction (ehci, urb, &qtd_list, mem_flags)) | 776 | if (!qh_urb_transaction (ehci, urb, &qtd_list, mem_flags)) |
771 | return -ENOMEM; | 777 | return -ENOMEM; |