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-rw-r--r--drivers/net/usb/cdc-phonet.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 4cf4e361c121..f967913e11bc 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -328,13 +328,13 @@ int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id)
328{ 328{
329 static const char ifname[] = "usbpn%d"; 329 static const char ifname[] = "usbpn%d";
330 const struct usb_cdc_union_desc *union_header = NULL; 330 const struct usb_cdc_union_desc *union_header = NULL;
331 const struct usb_cdc_header_desc *phonet_header = NULL;
332 const struct usb_host_interface *data_desc; 331 const struct usb_host_interface *data_desc;
333 struct usb_interface *data_intf; 332 struct usb_interface *data_intf;
334 struct usb_device *usbdev = interface_to_usbdev(intf); 333 struct usb_device *usbdev = interface_to_usbdev(intf);
335 struct net_device *dev; 334 struct net_device *dev;
336 struct usbpn_dev *pnd; 335 struct usbpn_dev *pnd;
337 u8 *data; 336 u8 *data;
337 int phonet = 0;
338 int len, err; 338 int len, err;
339 339
340 data = intf->altsetting->extra; 340 data = intf->altsetting->extra;
@@ -355,10 +355,7 @@ int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id)
355 (struct usb_cdc_union_desc *)data; 355 (struct usb_cdc_union_desc *)data;
356 break; 356 break;
357 case 0xAB: 357 case 0xAB:
358 if (phonet_header || dlen < 5) 358 phonet = 1;
359 break;
360 phonet_header =
361 (struct usb_cdc_header_desc *)data;
362 break; 359 break;
363 } 360 }
364 } 361 }
@@ -366,7 +363,7 @@ int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id)
366 len -= dlen; 363 len -= dlen;
367 } 364 }
368 365
369 if (!union_header || !phonet_header) 366 if (!union_header || !phonet)
370 return -EINVAL; 367 return -EINVAL;
371 368
372 data_intf = usb_ifnum_to_if(usbdev, union_header->bSlaveInterface0); 369 data_intf = usb_ifnum_to_if(usbdev, union_header->bSlaveInterface0);