From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorge Dijkstra Subject: [PATCH 4/8] [PATCH] Halt device if rndis_bind fails. Date: Sat, 22 Dec 2007 22:51:30 +0100 Message-ID: <1198360295683-git-send-email-bjd@jooz.net> References: <11983602942818-git-send-email-bjd@jooz.net> Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jussi Kivilinna To: dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <11983602942818-git-send-email-bjd-a1rhEgazXTw@public.gmane.org> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org From: Jussi Kivilinna When bind fails after device was initialized, shutdown device properly by sending RNDIS_MSG_HALT. Signed-off-by: Jussi Kivilinna Signed-off-by: Bjorge Dijkstra --- 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); -- 1.5.2.5