urb->transfer_buffer_length and urb->transfer_buffer should be updated based on urb->actual_length.For a fresh and first time urb, actual_length will be zero but for urbs which has been stopped and restarted (as bulk nak scheme does) actual_length may not be zero. Signed-off-by: Ajay Kumar Gupta <ajay.gupta@xxxxxx> --- drivers/usb/musb/musb_host.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index a776951..1a78f00 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -201,8 +201,8 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh) len = urb->iso_frame_desc[0].length; break; default: /* bulk, interrupt */ - buf = urb->transfer_buffer; - len = urb->transfer_buffer_length; + buf = urb->transfer_buffer + urb->actual_length; + len = urb->transfer_buffer_length - urb->actual_length; } DBG(4, "qh %p urb %p dev%d ep%d%s%s, hw_ep %d, %p/%d\n", -- 1.5.6 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
