@@ -105,7 +105,6 @@ static void rndis_msg_indicate(struct usbnet *dev, struct rndis_indicate *msg,
int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen)
{
struct cdc_state *info = (void *) &dev->data;
- struct usb_cdc_notification notification;
int master_ifnum;
int retval;
int partial;
@@ -140,12 +139,17 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen)
/* Some devices don't respond on the control channel until
* polled on the status channel, so do that first. */
if (dev->driver_info->data & RNDIS_DRIVER_DATA_POLL_STATUS) {
+ struct usb_cdc_notification *notification;
+ notification = kmalloc(sizeof(*notification), GFP_KERNEL);
+ if (!notification)
+ return -ENOMEM;
retval = usb_interrupt_msg(
dev->udev,
usb_rcvintpipe(dev->udev,
dev->status->desc.bEndpointAddress),
- ¬ification, sizeof(notification), &partial,
+ notification, sizeof(*notification), &partial,
RNDIS_CONTROL_TIMEOUT_MS);
+ kfree(notification);
if (unlikely(retval < 0))
return retval;
}
Patch fixes rndis_host not to use stack as URB transfer_buffer. URB buffers need to be DMA-able, which stack is not. Patch is only compile tested. Cc: stable@vger.kernel.org Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi> --- drivers/net/usb/rndis_host.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html