Duncan Sands wrote:
Don't hang the system if an urb is submitted on a non-existant endpoint.
Should probably be checked higher up, but this is where I hit it.

In fact it'd be good if you can find out why exactly the version of this test the usb_submit_urb() code (core/urb.c) wasn't catching this for you ... was something trashing memory, maybe?

- Dave


 uhci-hcd.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)


diff -Nru a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
--- a/drivers/usb/host/uhci-hcd.c Wed Mar 26 16:48:31 2003
+++ b/drivers/usb/host/uhci-hcd.c Wed Mar 26 16:48:31 2003
@@ -1080,7 +1080,7 @@
struct urb_priv *urbp = (struct urb_priv *)urb->hcpriv;
dma_addr_t data = urb->transfer_dma;
- if (len < 0)
+ if (len < 0 || !maxsze)
return -EINVAL;
/* The "pipe" thing contains the destination in bits 8--18 */








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