CC: [email protected] CC: [email protected] TO: Chris Chiu <[email protected]> CC: Kalle Valo <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f6e1ea19649216156576aeafa784e3b4cee45549 commit: 0985d3a410ace005ce62666b67c9372dfc14bd7f rtl8xxxu: Feed current txrate information for mac80211 date: 9 months ago :::::: branch date: 22 hours ago :::::: commit date: 9 months ago config: i386-randconfig-m021-20201231 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:5467 rtl8xxxu_c2hcmd_callback() warn: potential spectre issue 'rtl8xxxu_legacy_ratetable' [r] (local cap) vim +/rtl8xxxu_legacy_ratetable +5467 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c 0985d3a410ace00 Chris Chiu 2020-03-20 5420 e542e66b7c2ee2a Chris Chiu 2019-10-05 5421 static void rtl8xxxu_c2hcmd_callback(struct work_struct *work) e542e66b7c2ee2a Chris Chiu 2019-10-05 5422 { e542e66b7c2ee2a Chris Chiu 2019-10-05 5423 struct rtl8xxxu_priv *priv; e542e66b7c2ee2a Chris Chiu 2019-10-05 5424 struct rtl8723bu_c2h *c2h; e542e66b7c2ee2a Chris Chiu 2019-10-05 5425 struct sk_buff *skb = NULL; e542e66b7c2ee2a Chris Chiu 2019-10-05 5426 unsigned long flags; e542e66b7c2ee2a Chris Chiu 2019-10-05 5427 u8 bt_info = 0; e542e66b7c2ee2a Chris Chiu 2019-10-05 5428 struct rtl8xxxu_btcoex *btcoex; 0985d3a410ace00 Chris Chiu 2020-03-20 5429 struct rtl8xxxu_ra_report *rarpt; 0985d3a410ace00 Chris Chiu 2020-03-20 5430 u8 rate, sgi, bw; 0985d3a410ace00 Chris Chiu 2020-03-20 5431 u32 bit_rate; 0985d3a410ace00 Chris Chiu 2020-03-20 5432 u8 mcs = 0, nss = 0; e542e66b7c2ee2a Chris Chiu 2019-10-05 5433 e542e66b7c2ee2a Chris Chiu 2019-10-05 5434 priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work); e542e66b7c2ee2a Chris Chiu 2019-10-05 5435 btcoex = &priv->bt_coex; 0985d3a410ace00 Chris Chiu 2020-03-20 5436 rarpt = &priv->ra_report; e542e66b7c2ee2a Chris Chiu 2019-10-05 5437 e542e66b7c2ee2a Chris Chiu 2019-10-05 5438 if (priv->rf_paths > 1) e542e66b7c2ee2a Chris Chiu 2019-10-05 5439 goto out; e542e66b7c2ee2a Chris Chiu 2019-10-05 5440 e542e66b7c2ee2a Chris Chiu 2019-10-05 5441 while (!skb_queue_empty(&priv->c2hcmd_queue)) { e542e66b7c2ee2a Chris Chiu 2019-10-05 5442 spin_lock_irqsave(&priv->c2hcmd_lock, flags); e542e66b7c2ee2a Chris Chiu 2019-10-05 5443 skb = __skb_dequeue(&priv->c2hcmd_queue); e542e66b7c2ee2a Chris Chiu 2019-10-05 5444 spin_unlock_irqrestore(&priv->c2hcmd_lock, flags); e542e66b7c2ee2a Chris Chiu 2019-10-05 5445 e542e66b7c2ee2a Chris Chiu 2019-10-05 5446 c2h = (struct rtl8723bu_c2h *)skb->data; e542e66b7c2ee2a Chris Chiu 2019-10-05 5447 e542e66b7c2ee2a Chris Chiu 2019-10-05 5448 switch (c2h->id) { e542e66b7c2ee2a Chris Chiu 2019-10-05 5449 case C2H_8723B_BT_INFO: e542e66b7c2ee2a Chris Chiu 2019-10-05 5450 bt_info = c2h->bt_info.bt_info; e542e66b7c2ee2a Chris Chiu 2019-10-05 5451 e542e66b7c2ee2a Chris Chiu 2019-10-05 5452 rtl8723bu_update_bt_link_info(priv, bt_info); e542e66b7c2ee2a Chris Chiu 2019-10-05 5453 if (btcoex->c2h_bt_inquiry) { e542e66b7c2ee2a Chris Chiu 2019-10-05 5454 rtl8723bu_handle_bt_inquiry(priv); e542e66b7c2ee2a Chris Chiu 2019-10-05 5455 break; e542e66b7c2ee2a Chris Chiu 2019-10-05 5456 } e542e66b7c2ee2a Chris Chiu 2019-10-05 5457 rtl8723bu_handle_bt_info(priv); e542e66b7c2ee2a Chris Chiu 2019-10-05 5458 break; 0985d3a410ace00 Chris Chiu 2020-03-20 5459 case C2H_8723B_RA_REPORT: 0985d3a410ace00 Chris Chiu 2020-03-20 5460 rarpt->txrate.flags = 0; 0985d3a410ace00 Chris Chiu 2020-03-20 5461 rate = c2h->ra_report.rate; 0985d3a410ace00 Chris Chiu 2020-03-20 5462 sgi = c2h->ra_report.sgi; 0985d3a410ace00 Chris Chiu 2020-03-20 5463 bw = c2h->ra_report.bw; 0985d3a410ace00 Chris Chiu 2020-03-20 5464 0985d3a410ace00 Chris Chiu 2020-03-20 5465 if (rate < DESC_RATE_MCS0) { 0985d3a410ace00 Chris Chiu 2020-03-20 5466 rarpt->txrate.legacy = 0985d3a410ace00 Chris Chiu 2020-03-20 @5467 rtl8xxxu_legacy_ratetable[rate].bitrate; 0985d3a410ace00 Chris Chiu 2020-03-20 5468 } else { 0985d3a410ace00 Chris Chiu 2020-03-20 5469 rtl8xxxu_desc_to_mcsrate(rate, &mcs, &nss); 0985d3a410ace00 Chris Chiu 2020-03-20 5470 rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS; 0985d3a410ace00 Chris Chiu 2020-03-20 5471 0985d3a410ace00 Chris Chiu 2020-03-20 5472 rarpt->txrate.mcs = mcs; 0985d3a410ace00 Chris Chiu 2020-03-20 5473 rarpt->txrate.nss = nss; 0985d3a410ace00 Chris Chiu 2020-03-20 5474 0985d3a410ace00 Chris Chiu 2020-03-20 5475 if (sgi) { 0985d3a410ace00 Chris Chiu 2020-03-20 5476 rarpt->txrate.flags |= 0985d3a410ace00 Chris Chiu 2020-03-20 5477 RATE_INFO_FLAGS_SHORT_GI; 0985d3a410ace00 Chris Chiu 2020-03-20 5478 } 0985d3a410ace00 Chris Chiu 2020-03-20 5479 0985d3a410ace00 Chris Chiu 2020-03-20 5480 if (bw == RATE_INFO_BW_20) 0985d3a410ace00 Chris Chiu 2020-03-20 5481 rarpt->txrate.bw |= RATE_INFO_BW_20; 0985d3a410ace00 Chris Chiu 2020-03-20 5482 } 0985d3a410ace00 Chris Chiu 2020-03-20 5483 bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate); 0985d3a410ace00 Chris Chiu 2020-03-20 5484 rarpt->bit_rate = bit_rate; 0985d3a410ace00 Chris Chiu 2020-03-20 5485 rarpt->desc_rate = rate; 0985d3a410ace00 Chris Chiu 2020-03-20 5486 break; e542e66b7c2ee2a Chris Chiu 2019-10-05 5487 default: e542e66b7c2ee2a Chris Chiu 2019-10-05 5488 break; e542e66b7c2ee2a Chris Chiu 2019-10-05 5489 } e542e66b7c2ee2a Chris Chiu 2019-10-05 5490 } e542e66b7c2ee2a Chris Chiu 2019-10-05 5491 e542e66b7c2ee2a Chris Chiu 2019-10-05 5492 out: e542e66b7c2ee2a Chris Chiu 2019-10-05 5493 dev_kfree_skb(skb); e542e66b7c2ee2a Chris Chiu 2019-10-05 5494 } e542e66b7c2ee2a Chris Chiu 2019-10-05 5495 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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