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path: root/drivers/usb/net/rndis_host.c
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Diffstat (limited to 'drivers/usb/net/rndis_host.c')
-rw-r--r--drivers/usb/net/rndis_host.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/usb/net/rndis_host.c b/drivers/usb/net/rndis_host.c
index ea5f44de3de2..a322a16d9cf8 100644
--- a/drivers/usb/net/rndis_host.c
+++ b/drivers/usb/net/rndis_host.c
@@ -379,6 +379,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
379{ 379{
380 int retval; 380 int retval;
381 struct net_device *net = dev->net; 381 struct net_device *net = dev->net;
382 struct cdc_state *info = (void *) &dev->data;
382 union { 383 union {
383 void *buf; 384 void *buf;
384 struct rndis_msg_hdr *header; 385 struct rndis_msg_hdr *header;
@@ -397,7 +398,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
397 return -ENOMEM; 398 return -ENOMEM;
398 retval = usbnet_generic_cdc_bind(dev, intf); 399 retval = usbnet_generic_cdc_bind(dev, intf);
399 if (retval < 0) 400 if (retval < 0)
400 goto done; 401 goto fail;
401 402
402 net->hard_header_len += sizeof (struct rndis_data_hdr); 403 net->hard_header_len += sizeof (struct rndis_data_hdr);
403 404
@@ -412,10 +413,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf)
412 if (unlikely(retval < 0)) { 413 if (unlikely(retval < 0)) {
413 /* it might not even be an RNDIS device!! */ 414 /* it might not even be an RNDIS device!! */
414 dev_err(&intf->dev, "RNDIS init failed, %d\n", retval); 415 dev_err(&intf->dev, "RNDIS init failed, %d\n", retval);
415fail: 416 goto fail_and_release;
416 usb_driver_release_interface(driver_of(intf),
417 ((struct cdc_state *)&(dev->data))->data);
418 goto done;
419 } 417 }
420 dev->hard_mtu = le32_to_cpu(u.init_c->max_transfer_size); 418 dev->hard_mtu = le32_to_cpu(u.init_c->max_transfer_size);
421 /* REVISIT: peripheral "alignment" request is ignored ... */ 419 /* REVISIT: peripheral "alignment" request is ignored ... */
@@ -431,7 +429,7 @@ fail:
431 retval = rndis_command(dev, u.header); 429 retval = rndis_command(dev, u.header);
432 if (unlikely(retval < 0)) { 430 if (unlikely(retval < 0)) {
433 dev_err(&intf->dev, "rndis get ethaddr, %d\n", retval); 431 dev_err(&intf->dev, "rndis get ethaddr, %d\n", retval);
434 goto fail; 432 goto fail_and_release;
435 } 433 }
436 tmp = le32_to_cpu(u.get_c->offset); 434 tmp = le32_to_cpu(u.get_c->offset);
437 if (unlikely((tmp + 8) > (1024 - ETH_ALEN) 435 if (unlikely((tmp + 8) > (1024 - ETH_ALEN)
@@ -439,7 +437,7 @@ fail:
439 dev_err(&intf->dev, "rndis ethaddr off %d len %d ?\n", 437 dev_err(&intf->dev, "rndis ethaddr off %d len %d ?\n",
440 tmp, le32_to_cpu(u.get_c->len)); 438 tmp, le32_to_cpu(u.get_c->len));
441 retval = -EDOM; 439 retval = -EDOM;
442 goto fail; 440 goto fail_and_release;
443 } 441 }
444 memcpy(net->dev_addr, tmp + (char *)&u.get_c->request_id, ETH_ALEN); 442 memcpy(net->dev_addr, tmp + (char *)&u.get_c->request_id, ETH_ALEN);
445 443
@@ -455,11 +453,18 @@ fail:
455 retval = rndis_command(dev, u.header); 453 retval = rndis_command(dev, u.header);
456 if (unlikely(retval < 0)) { 454 if (unlikely(retval < 0)) {
457 dev_err(&intf->dev, "rndis set packet filter, %d\n", retval); 455 dev_err(&intf->dev, "rndis set packet filter, %d\n", retval);
458 goto fail; 456 goto fail_and_release;
459 } 457 }
460 458
461 retval = 0; 459 retval = 0;
462done: 460
461 kfree(u.buf);
462 return retval;
463
464fail_and_release:
465 usb_set_intfdata(info->data, NULL);
466 usb_driver_release_interface(driver_of(intf), info->data);
467fail:
463 kfree(u.buf); 468 kfree(u.buf);
464 return retval; 469 return retval;
465} 470}