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Diffstat (limited to 'drivers/net/usb/cdc_ether.c')
-rw-r--r--drivers/net/usb/cdc_ether.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 5a21f06bf8a5..675ac99a79c6 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -91,6 +91,22 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
91 "CDC descriptors on config\n"); 91 "CDC descriptors on config\n");
92 } 92 }
93 93
94 /* Maybe CDC descriptors are after the endpoint? This bug has
95 * been seen on some 2Wire Inc RNDIS-ish products.
96 */
97 if (len == 0) {
98 struct usb_host_endpoint *hep;
99
100 hep = intf->cur_altsetting->endpoint;
101 if (hep) {
102 buf = hep->extra;
103 len = hep->extralen;
104 }
105 if (len)
106 dev_dbg(&intf->dev,
107 "CDC descriptors on endpoint\n");
108 }
109
94 /* this assumes that if there's a non-RNDIS vendor variant 110 /* this assumes that if there's a non-RNDIS vendor variant
95 * of cdc-acm, it'll fail RNDIS requests cleanly. 111 * of cdc-acm, it'll fail RNDIS requests cleanly.
96 */ 112 */