BCC: [email protected] CC: [email protected] CC: [email protected] TO: Zheyu Ma <[email protected]> CC: Kalle Valo <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 commit: 13876f2a087ad352bf640a7a0a4a4229ea6e9e4f wifi: rtl8xxxu: Fix the error handling of the probe function date: 3 weeks ago :::::: branch date: 2 days ago :::::: commit date: 3 weeks ago config: ia64-randconfig-m031-20220814 (https://download.01.org/0day-ci/archive/20220816/[email protected]/config) compiler: ia64-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> New smatch warnings: drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:6771 rtl8xxxu_probe() warn: variable dereferenced before check 'priv' (see line 6665) Old smatch warnings: drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:5524 rtl8xxxu_c2hcmd_callback() warn: potential spectre issue 'rtl8xxxu_legacy_ratetable' [r] (local cap) vim +/priv +6771 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6599 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6600 static int rtl8xxxu_probe(struct usb_interface *interface, 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6601 const struct usb_device_id *id) 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6602 { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6603 struct rtl8xxxu_priv *priv; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6604 struct ieee80211_hw *hw; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6605 struct usb_device *udev; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6606 struct ieee80211_supported_band *sband; deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6607 int ret; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6608 int untested = 1; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6609 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6610 udev = usb_get_dev(interface_to_usbdev(interface)); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6611 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6612 switch (id->idVendor) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6613 case USB_VENDOR_ID_REALTEK: 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6614 switch(id->idProduct) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6615 case 0x1724: 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6616 case 0x8176: 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6617 case 0x8178: 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6618 case 0x817f: d607e396566a10 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2017-01-17 6619 case 0x818b: 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6620 untested = 0; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6621 break; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6622 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6623 break; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6624 case 0x7392: 408f122a1f9230 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2019-11-12 6625 if (id->idProduct == 0x7811 || id->idProduct == 0xa611) 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6626 untested = 0; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6627 break; e1d70c9b04000e drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2016-04-14 6628 case 0x050d: e1d70c9b04000e drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2016-04-14 6629 if (id->idProduct == 0x1004) e1d70c9b04000e drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2016-04-14 6630 untested = 0; e1d70c9b04000e drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2016-04-14 6631 break; b81669b9e0b486 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6632 case 0x20f4: b81669b9e0b486 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6633 if (id->idProduct == 0x648b) b81669b9e0b486 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6634 untested = 0; b81669b9e0b486 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6635 break; 76a8e07d49b652 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6636 case 0x2001: 76a8e07d49b652 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6637 if (id->idProduct == 0x3308) 76a8e07d49b652 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6638 untested = 0; 76a8e07d49b652 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6639 break; 690a6d268bdf85 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6640 case 0x2357: 690a6d268bdf85 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6641 if (id->idProduct == 0x0109) 690a6d268bdf85 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6642 untested = 0; 690a6d268bdf85 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6643 break; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6644 default: 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6645 break; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6646 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6647 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6648 if (untested) { eaa4d14c97c199 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2016-02-29 6649 rtl8xxxu_debug |= RTL8XXXU_DEBUG_EFUSE; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6650 dev_info(&udev->dev, 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6651 "This Realtek USB WiFi dongle (0x%04x:0x%04x) is untested!\n", 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6652 id->idVendor, id->idProduct); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6653 dev_info(&udev->dev, 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6654 "Please report results to [email protected]\n"); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6655 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6656 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6657 hw = ieee80211_alloc_hw(sizeof(struct rtl8xxxu_priv), &rtl8xxxu_ops); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6658 if (!hw) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6659 ret = -ENOMEM; deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6660 priv = NULL; 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6661 goto err_put_dev; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6662 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6663 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6664 priv = hw->priv; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 @6665 priv->hw = hw; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6666 priv->udev = udev; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6667 priv->fops = (struct rtl8xxxu_fileops *)id->driver_info; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6668 mutex_init(&priv->usb_buf_mutex); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6669 mutex_init(&priv->h2c_mutex); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6670 INIT_LIST_HEAD(&priv->tx_urb_free_list); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6671 spin_lock_init(&priv->tx_urb_lock); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6672 INIT_LIST_HEAD(&priv->rx_urb_pending_list); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6673 spin_lock_init(&priv->rx_urb_lock); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6674 INIT_WORK(&priv->rx_urb_wq, rtl8xxxu_rx_urb_work); a9bb0b51577835 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Chris Chiu 2019-10-02 6675 INIT_DELAYED_WORK(&priv->ra_watchdog, rtl8xxxu_watchdog_callback); e542e66b7c2ee2 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Chris Chiu 2019-10-05 6676 INIT_WORK(&priv->c2hcmd_work, rtl8xxxu_c2hcmd_callback); e542e66b7c2ee2 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Chris Chiu 2019-10-05 6677 skb_queue_head_init(&priv->c2hcmd_queue); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6678 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6679 usb_set_intfdata(interface, hw); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6680 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6681 ret = rtl8xxxu_parse_usb(priv, interface); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6682 if (ret) 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6683 goto err_set_intfdata; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6684 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6685 ret = rtl8xxxu_identify_chip(priv); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6686 if (ret) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6687 dev_err(&udev->dev, "Fatal - failed to identify chip\n"); 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6688 goto err_set_intfdata; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6689 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6690 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6691 ret = rtl8xxxu_read_efuse(priv); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6692 if (ret) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6693 dev_err(&udev->dev, "Fatal - failed to read EFuse\n"); 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6694 goto err_set_intfdata; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6695 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6696 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6697 ret = priv->fops->parse_efuse(priv); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6698 if (ret) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6699 dev_err(&udev->dev, "Fatal - failed to parse EFuse\n"); 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6700 goto err_set_intfdata; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6701 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6702 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6703 rtl8xxxu_print_chipinfo(priv); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6704 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6705 ret = priv->fops->load_firmware(priv); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6706 if (ret) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6707 dev_err(&udev->dev, "Fatal - failed to load firmware\n"); 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6708 goto err_set_intfdata; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6709 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6710 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6711 ret = rtl8xxxu_init_device(hw); deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6712 if (ret) 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6713 goto err_set_intfdata; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6714 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6715 hw->wiphy->max_scan_ssids = 1; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6716 hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6717 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6718 hw->queues = 4; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6719 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6720 sband = &rtl8xxxu_supported_band; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6721 sband->ht_cap.ht_supported = true; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6722 sband->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6723 sband->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6724 sband->ht_cap.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6725 memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs)); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6726 sband->ht_cap.mcs.rx_mask[0] = 0xff; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6727 sband->ht_cap.mcs.rx_mask[4] = 0x01; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6728 if (priv->rf_paths > 1) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6729 sband->ht_cap.mcs.rx_mask[1] = 0xff; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6730 sband->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6731 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6732 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6733 /* 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6734 * Some APs will negotiate HT20_40 in a noisy environment leading 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6735 * to miserable performance. Rather than defaulting to this, only 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6736 * enable it if explicitly requested at module load time. 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6737 */ 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6738 if (rtl8xxxu_ht40_2g) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6739 dev_info(&udev->dev, "Enabling HT_20_40 on the 2.4GHz band\n"); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6740 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6741 } 57fbcce37be7c1 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Johannes Berg 2016-04-12 6742 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6743 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6744 hw->wiphy->rts_threshold = 2347; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6745 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6746 SET_IEEE80211_DEV(priv->hw, &interface->dev); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6747 SET_IEEE80211_PERM_ADDR(hw, priv->mac_addr); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6748 179e1742569620 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2016-02-29 6749 hw->extra_tx_headroom = priv->fops->tx_desc_size; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6750 ieee80211_hw_set(hw, SIGNAL_DBM); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6751 /* 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6752 * The firmware handles rate control 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6753 */ 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6754 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6755 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6756 ae44b502669d0c drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Andrew Zaborowski 2017-02-10 6757 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); ae44b502669d0c drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Andrew Zaborowski 2017-02-10 6758 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6759 ret = ieee80211_register_hw(priv->hw); 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6760 if (ret) { 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6761 dev_err(&udev->dev, "%s: Failed to register: %i\n", 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6762 __func__, ret); 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6763 goto err_set_intfdata; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6764 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6765 deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6766 return 0; deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6767 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6768 err_set_intfdata: deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6769 usb_set_intfdata(interface, NULL); deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6770 deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 @6771 if (priv) { deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6772 kfree(priv->fw_data); deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6773 mutex_destroy(&priv->usb_buf_mutex); deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6774 mutex_destroy(&priv->h2c_mutex); deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6775 } deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6776 deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6777 ieee80211_free_hw(hw); 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6778 err_put_dev: 13876f2a087ad3 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Zheyu Ma 2022-07-16 6779 usb_put_dev(udev); deb6176e561324 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c Jes Sorensen 2016-08-19 6780 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6781 return ret; 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6782 } 26f1fad29ad973 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c Jes Sorensen 2015-10-14 6783 :::::: The code at line 6771 was first introduced by commit :::::: deb6176e561324884652dd6a49a862bd8b152959 rtl8xxxu: Fix error handling if rtl8xxxu_init_device() fails :::::: TO: Jes Sorensen <[email protected]> :::::: CC: Kalle Valo <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
