[PATCH 04/14] [rndis_host] Halt device if rndis_bind fails.
From: Jussi Kivilinna <hidden>
Date: 2008-01-25 22:50:55
Also in:
linux-wireless
Subsystem:
networking drivers, the rest, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2008-01-25 · Re: [PATCH 04/14] [rndis_host] Halt device if rndis_bind fails. · David Brownell <hidden>
- 2008-01-20 · [PATCH 04/14] [rndis_host] Halt device if rndis_bind fails. · Jussi Kivilinna <hidden>
When bind fails after device was initialized, shutdown device properly by sending RNDIS_MSG_HALT. Signed-off-by: Jussi Kivilinna <redacted> Signed-off-by: Bjorge Dijkstra <redacted> --- 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);