diff options
| author |   Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2008-01-26 00:50:55 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-01-31 19:26:54 -0800 |
| commit | 9ff55874fea71f483581f48990658d3929adb034 (patch) | |
| tree | fa6eb7d88cef670b3bcc2d0ba0544dd1cba28df3 /drivers | |
| parent | rndis_host: Use 1KB buffer in rndis_unbind (diff) | |
| download | linux-dev-9ff55874fea71f483581f48990658d3929adb034.tar.xz linux-dev-9ff55874fea71f483581f48990658d3929adb034.zip | |
rndis_host: Halt device if rndis_bind fails.
When bind fails after device was initialized, shutdown device properly
by sending RNDIS_MSG_HALT.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Bjorge Dijkstra <bjd@jooz.net>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 42b161c94618..c6860250521b 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); |