On Saturday 19 January 2008, Jussi Kivilinna wrote:
> When bind fails after device was initialized, shutdown device properly
> by sending RNDIS_MSG_HALT.
>
> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@xxxxxxxx>
> Signed-off-by: Bjorge Dijkstra <bjd@xxxxxxxx>
Acked-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> ---
>
> drivers/net/usb/rndis_host.c | 12 +++++++++---
> 1 files changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
> index 42b161c..c686025 100644
> --- a/drivers/net/usb/rndis_host.c
> +++ b/drivers/net/usb/rndis_host.c
> @@ -467,6 +467,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
> struct rndis_query_c *get_c;
> struct rndis_set *set;
> struct rndis_set_c *set_c;
> + struct rndis_halt *halt;
> } u;
> u32 tmp;
> int reply_len;
> @@ -517,7 +518,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
> "dev can't take %u byte packets (max %u)\n",
> dev->hard_mtu, tmp);
> retval = -EINVAL;
> - goto fail_and_release;
> + goto halt_fail_and_release;
> }
> dev->hard_mtu = tmp;
> net->mtu = dev->hard_mtu - net->hard_header_len;
> @@ -539,7 +540,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
> 48, (void **) &bp, &reply_len);
> if (unlikely(retval< 0)) {
> dev_err(&intf->dev, "rndis get ethaddr, %d\n", retval);
> - goto fail_and_release;
> + goto halt_fail_and_release;
> }
> memcpy(net->dev_addr, bp, ETH_ALEN);
>
> @@ -555,7 +556,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
> retval = rndis_command(dev, u.header);
> if (unlikely(retval < 0)) {
> dev_err(&intf->dev, "rndis set packet filter, %d\n", retval);
> - goto fail_and_release;
> + goto halt_fail_and_release;
> }
>
> retval = 0;
> @@ -563,6 +564,11 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
> kfree(u.buf);
> return retval;
>
> +halt_fail_and_release:
> + memset(u.halt, 0, sizeof *u.halt);
> + u.halt->msg_type = RNDIS_MSG_HALT;
> + u.halt->msg_len = ccpu2(sizeof *u.halt);
> + (void) rndis_command(dev, (void *)u.halt);
> fail_and_release:
> usb_set_intfdata(info->data, NULL);
> usb_driver_release_interface(driver_of(intf), info->data);
>
-
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