commit: 014639003c77a51fc319c9fdf225e7747cb6e18d From: Henrik Rydberg <[email protected]> Date: Sat, 13 Oct 2012 12:20:36 +0200 Subject: usbdevfs: Fix broken scatter-gather transfer
The handling of large output bulk transfers is broken; the same user page is read over and over again. Fixed with this patch. Cc: stable <[email protected]> Acked-by: Peter Stuge <[email protected]> Acked-by: Hans de Goede <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Henrik Rydberg <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/core/devio.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index e0356cb..b78fbe2 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1348,6 +1348,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, ret = -EFAULT; goto error; } + uurb->buffer += u; } totlen -= u; } -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
