From patchwork Mon Jun 13 18:43:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Pavel Skripkin X-Patchwork-Id: 12880063 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D30ACCA47B for ; Mon, 13 Jun 2022 20:10:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245269AbiFMUKS (ORCPT ); Mon, 13 Jun 2022 16:10:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244314AbiFMUJy (ORCPT ); Mon, 13 Jun 2022 16:09:54 -0400 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8D78327B09; Mon, 13 Jun 2022 11:44:06 -0700 (PDT) Received: by mail-lf1-x12d.google.com with SMTP id i29so10295937lfp.3; Mon, 13 Jun 2022 11:44:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0ZkWwoMHmOjNQD8c/MvUfXL++UZYPGh4KCJsTnGxYJw=; b=Z+Yudr03xA3T6wpYkyh8SrfLyupr9tKRPXD2+loi9r1VgLEXt7mHVHwW3LxTRx3VWN 0Bvs/G/b44NykMzol8sPhaGMPeS8oJn6GsRn+i2F/l4O+alIlH6P3DPJ8S7rZvjyNvKz dYQnIrxwajkFFEjZDvcR8XbHf8NjM1vCUwNbFhWOFRiWCJZAWQWUZDBtasCP2EoN9JTX 8h6DkoP78r1+u6nYjPtm+tFZQwlpq43t0JqtR2xs5CgrCf4Z8QnJuzsHlN7c3fS2NF5t JKcqwrHRaWdw72u+q03PA6TDElEccD8O96TnmUiM+VQSveZbykIbyfzovzJP88LmtFk4 u1Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0ZkWwoMHmOjNQD8c/MvUfXL++UZYPGh4KCJsTnGxYJw=; b=UWorLSM19cgDotaZEjH0SFgId4+9ljX4Srq0dRxAF7AG9hZX+pSVwNGRIGosIzP0vC ABXCw79ZKYYY0osJHB50hhxjpjql6s92qaa/Kf2NMPUENAzNsMKiJQsEbi5kKuirMtDd 8DzAYB68kC+hdJpqvc5iM5+64uqnN7lbkMKQYaZpTMVCzooOoBtsBNdfPCTGwhWjiax9 mK8OLBYTzIf1cP4Lerwzrdbj2xMpyTmIyfTHkgCg3rOZeVw4DEQhzmfiWRquDfdD7AXa 4OhZAuG84DPGnVMygUF/UOhZY/L7VQWtJ+OuhyRigQfUwOqGqXHlck5Id74yCNd9ZzGP KZig== X-Gm-Message-State: AJIora/tdi/k58V5Z7swx+oPiTYuaQqZGlKnCCMrEDgUuGKVRrItSLfA EFZcNccOCfe5L5+1GbrHyno= X-Google-Smtp-Source: AGRyM1vgWfFYu5VOKFpQZS6GlNe0ObJ6V5Ly2KIsrTrNXkPdaPRbPZAnYJyJY7yrTN5mYDLInEEhdw== X-Received: by 2002:a05:6512:31c3:b0:479:3c8a:b39f with SMTP id j3-20020a05651231c300b004793c8ab39fmr680193lfe.111.1655145844744; Mon, 13 Jun 2022 11:44:04 -0700 (PDT) Received: from localhost.localdomain ([94.103.229.27]) by smtp.gmail.com with ESMTPSA id b15-20020ac247ef000000b004787d3cbc67sm1073598lfp.219.2022.06.13.11.44.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jun 2022 11:44:02 -0700 (PDT) From: Pavel Skripkin To: toke@toke.dk, kvalo@kernel.org, davem@davemloft.net, kuba@kernel.org Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Pavel Skripkin , syzbot+03110230a11411024147@syzkaller.appspotmail.com, syzbot+c6dde1f690b60e0b9fbe@syzkaller.appspotmail.com Subject: [PATCH v6 1/2] ath9k: fix use-after-free in ath9k_hif_usb_rx_cb Date: Mon, 13 Jun 2022 21:43:59 +0300 Message-Id: X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Syzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The problem was in incorrect htc_handle->drv_priv initialization. Probable call trace which can trigger use-after-free: ath9k_htc_probe_device() /* htc_handle->drv_priv = priv; */ ath9k_htc_wait_for_target() <--- Failed ieee80211_free_hw() <--- priv pointer is freed ... ath9k_hif_usb_rx_cb() ath9k_hif_usb_rx_stream() RX_STAT_INC() <--- htc_handle->drv_priv access In order to not add fancy protection for drv_priv we can move htc_handle->drv_priv initialization at the end of the ath9k_htc_probe_device() and add helper macro to make all *_STAT_* macros NULL safe, since syzbot has reported related NULL deref in that macros [1] Link: https://syzkaller.appspot.com/bug?id=6ead44e37afb6866ac0c7dd121b4ce07cb665f60 [0] Link: https://syzkaller.appspot.com/bug?id=b8101ffcec107c0567a0cd8acbbacec91e9ee8de [1] Fixes: fb9987d0f748 ("ath9k_htc: Support for AR9271 chipset.") Reported-and-tested-by: syzbot+03110230a11411024147@syzkaller.appspotmail.com Reported-and-tested-by: syzbot+c6dde1f690b60e0b9fbe@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin Acked-by: Toke Høiland-Jørgensen --- Changes since v5: - No changes Changes since v4: s/save/safe/ in commit message Changes since v3: - s/SAVE/SAFE/ - Added links to syzkaller reports Changes since v2: - My send-email script forgot, that mailing lists exist. Added back all related lists Changes since v1: - Removed clean-ups and moved them to 2/2 --- drivers/net/wireless/ath/ath9k/htc.h | 10 +++++----- drivers/net/wireless/ath/ath9k/htc_drv_init.c | 3 ++- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 6b45e63fa..e3d546ef7 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -327,11 +327,11 @@ static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) } #ifdef CONFIG_ATH9K_HTC_DEBUGFS - -#define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) -#define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a) -#define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++) -#define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a) +#define __STAT_SAFE(expr) (hif_dev->htc_handle->drv_priv ? (expr) : 0) +#define TX_STAT_INC(c) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) +#define TX_STAT_ADD(c, a) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a) +#define RX_STAT_INC(c) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++) +#define RX_STAT_ADD(c, a) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a) #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++ #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index ff61ae34e..07ac88fb1 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -944,7 +944,6 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, priv->hw = hw; priv->htc = htc_handle; priv->dev = dev; - htc_handle->drv_priv = priv; SET_IEEE80211_DEV(hw, priv->dev); ret = ath9k_htc_wait_for_target(priv); @@ -965,6 +964,8 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, if (ret) goto err_init; + htc_handle->drv_priv = priv; + return 0; err_init: From patchwork Mon Jun 13 18:44:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Pavel Skripkin X-Patchwork-Id: 12880064 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77269C433EF for ; Mon, 13 Jun 2022 20:10:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349491AbiFMUKT (ORCPT ); Mon, 13 Jun 2022 16:10:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349092AbiFMUKE (ORCPT ); Mon, 13 Jun 2022 16:10:04 -0400 Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E9E527B0F; Mon, 13 Jun 2022 11:44:12 -0700 (PDT) Received: by mail-lj1-x22d.google.com with SMTP id g25so7200065ljm.2; Mon, 13 Jun 2022 11:44:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VqO5G8hk6yhioyao4IlSt5H4ZBoh/GhshlNDoSDXcHI=; b=ooWtNh0joNNDvhVMDEBoyVh+mVbiOboztgnSdtVXz8PNPmr9qFjtLJMps/xhIcVvGr WFUk0waE1laiRv4UwjFk3wD+dTNqxddGZjpkPVfUVS63jCgi08bUEUPFRGV9QQ6EmzJq y6e4sB59cLFryuyHSHXA0+gxVMKSn9P+4oBce7wuEI8VNHiu0nuE25//ZEu3N030nU8/ l0LJJdH5i8F/tI0nNS/lH8hIxFGFz15t6ch1Ko4gXRRWlLhRoVAQje/8skCpTS3KyXEB Nx+pNoHl2MFQuqRmQZRjq44XwIanpJslp3TAkFhWirFFNOmcMxeTcE2+7ezf5y7XAK63 4W3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VqO5G8hk6yhioyao4IlSt5H4ZBoh/GhshlNDoSDXcHI=; b=dLXM/uLI0lzpIEvtWR517QikU7wWQlIBX0AlFyaUjrYP/N1voDrgdNRhywejf/XNOx LRGkpV0vTPDzuHb3sB8GkheX65urcPCimJ114wNTHYADgIe/29uO/Gc2NOXqB8edWWbw OAcTe8zdzz2SuzsSC9t2OPwAP+7nKtNhm0OPwKtZ68wkd86WKSf/XRVuWhVgHQMFx9xa JjRd2nMg3FpB7Aj+yvq2xXntxZryuxcgdXnimPAfU64lhJ+AZNxWeJxs7q4uRHvjJTIG dRTHv5lM8TwmeDikLTMMvdzetwy9gAy3WEEkG3CMwCJLeaGJ+oLkrudisKMaU3VGqBaQ 55Iw== X-Gm-Message-State: AJIora8fu8AIqY0Ob6aZn5J8WxF8aoSBa17YTYvmemtMXhxJFotL/BHZ TpbUBm/fqwST3VsT3Qhsx1ZoqiWrK97klg== X-Google-Smtp-Source: AGRyM1tOuSWMIusVj6mJP+VBio3OBudn1pRbolu79qYknI0f2/ofYU+6Kvf0i2ar33GOqGC7WRrlMw== X-Received: by 2002:a2e:95cc:0:b0:255:8325:9920 with SMTP id y12-20020a2e95cc000000b0025583259920mr471242ljh.362.1655145850832; Mon, 13 Jun 2022 11:44:10 -0700 (PDT) Received: from localhost.localdomain ([94.103.229.27]) by smtp.gmail.com with ESMTPSA id s2-20020a2eb8c2000000b0024f3d1dae9csm1071667ljp.36.2022.06.13.11.44.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jun 2022 11:44:09 -0700 (PDT) From: Pavel Skripkin To: toke@toke.dk, kvalo@kernel.org, davem@davemloft.net, kuba@kernel.org Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Pavel Skripkin , Jeff Johnson Subject: [PATCH v6 2/2] ath9k: htc: clean up statistics macros Date: Mon, 13 Jun 2022 21:44:07 +0300 Message-Id: X-Mailer: git-send-email 2.36.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org I've changed *STAT_* macros a bit in previous patch and I seems like they become really unreadable. Align these macros definitions to make code cleaner and fix folllowing checkpatch warning ERROR: Macros with complex values should be enclosed in parentheses Also, statistics macros now accept an hif_dev as argument, since macros that depend on having a local variable with a magic name don't abide by the coding style. No functional change Suggested-by: Jeff Johnson Signed-off-by: Pavel Skripkin Acked-by: Toke Høiland-Jørgensen --- Changes since v4: - Fixed build error caused by wrong variable name passed to newly added macros Changes since v4: - Rebased on top of ath-next branch Changes since v3: - Added additional clean up related to relying on magical name from outside of the macro Changes since v2: - My send-email script forgot, that mailing lists exist. Added back all related lists - Fixed checkpatch warning Changes since v1: - Added this patch --- drivers/net/wireless/ath/ath9k/hif_usb.c | 26 +++++++-------- drivers/net/wireless/ath/ath9k/htc.h | 32 +++++++++++-------- drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 10 +++--- 3 files changed, 36 insertions(+), 32 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 518deb509..4d9002a9d 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -244,11 +244,11 @@ static inline void ath9k_skb_queue_complete(struct hif_device_usb *hif_dev, ath9k_htc_txcompletion_cb(hif_dev->htc_handle, skb, txok); if (txok) { - TX_STAT_INC(skb_success); - TX_STAT_ADD(skb_success_bytes, ln); + TX_STAT_INC(hif_dev, skb_success); + TX_STAT_ADD(hif_dev, skb_success_bytes, ln); } else - TX_STAT_INC(skb_failed); + TX_STAT_INC(hif_dev, skb_failed); } } @@ -302,7 +302,7 @@ static void hif_usb_tx_cb(struct urb *urb) hif_dev->tx.tx_buf_cnt++; if (!(hif_dev->tx.flags & HIF_USB_TX_STOP)) __hif_usb_tx(hif_dev); /* Check for pending SKBs */ - TX_STAT_INC(buf_completed); + TX_STAT_INC(hif_dev, buf_completed); spin_unlock(&hif_dev->tx.tx_lock); } @@ -353,7 +353,7 @@ static int __hif_usb_tx(struct hif_device_usb *hif_dev) tx_buf->len += tx_buf->offset; __skb_queue_tail(&tx_buf->skb_queue, nskb); - TX_STAT_INC(skb_queued); + TX_STAT_INC(hif_dev, skb_queued); } usb_fill_bulk_urb(tx_buf->urb, hif_dev->udev, @@ -369,7 +369,7 @@ static int __hif_usb_tx(struct hif_device_usb *hif_dev) list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf); hif_dev->tx.tx_buf_cnt++; } else { - TX_STAT_INC(buf_queued); + TX_STAT_INC(hif_dev, buf_queued); } return ret; @@ -514,7 +514,7 @@ static void hif_usb_sta_drain(void *hif_handle, u8 idx) ath9k_htc_txcompletion_cb(hif_dev->htc_handle, skb, false); hif_dev->tx.tx_skb_cnt--; - TX_STAT_INC(skb_failed); + TX_STAT_INC(hif_dev, skb_failed); } } @@ -585,14 +585,14 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, pkt_tag = get_unaligned_le16(ptr + index + 2); if (pkt_tag != ATH_USB_RX_STREAM_MODE_TAG) { - RX_STAT_INC(skb_dropped); + RX_STAT_INC(hif_dev, skb_dropped); return; } if (pkt_len > 2 * MAX_RX_BUF_SIZE) { dev_err(&hif_dev->udev->dev, "ath9k_htc: invalid pkt_len (%x)\n", pkt_len); - RX_STAT_INC(skb_dropped); + RX_STAT_INC(hif_dev, skb_dropped); return; } @@ -618,7 +618,7 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, goto err; } skb_reserve(nskb, 32); - RX_STAT_INC(skb_allocated); + RX_STAT_INC(hif_dev, skb_allocated); memcpy(nskb->data, &(skb->data[chk_idx+4]), hif_dev->rx_transfer_len); @@ -639,7 +639,7 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, goto err; } skb_reserve(nskb, 32); - RX_STAT_INC(skb_allocated); + RX_STAT_INC(hif_dev, skb_allocated); memcpy(nskb->data, &(skb->data[chk_idx+4]), pkt_len); skb_put(nskb, pkt_len); @@ -649,10 +649,10 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, err: for (i = 0; i < pool_index; i++) { - RX_STAT_ADD(skb_completed_bytes, skb_pool[i]->len); + RX_STAT_ADD(hif_dev, skb_completed_bytes, skb_pool[i]->len); ath9k_htc_rx_msg(hif_dev->htc_handle, skb_pool[i], skb_pool[i]->len, USB_WLAN_RX_PIPE); - RX_STAT_INC(skb_completed); + RX_STAT_INC(hif_dev, skb_completed); } } diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index e3d546ef7..30f0765fb 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -327,14 +327,18 @@ static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) } #ifdef CONFIG_ATH9K_HTC_DEBUGFS -#define __STAT_SAFE(expr) (hif_dev->htc_handle->drv_priv ? (expr) : 0) -#define TX_STAT_INC(c) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) -#define TX_STAT_ADD(c, a) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a) -#define RX_STAT_INC(c) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++) -#define RX_STAT_ADD(c, a) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a) -#define CAB_STAT_INC priv->debug.tx_stats.cab_queued++ - -#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) +#define __STAT_SAFE(hif_dev, expr) ((hif_dev)->htc_handle->drv_priv ? (expr) : 0) +#define CAB_STAT_INC(priv) ((priv)->debug.tx_stats.cab_queued++) +#define TX_QSTAT_INC(priv, q) ((priv)->debug.tx_stats.queue_stats[q]++) + +#define TX_STAT_INC(hif_dev, c) \ + __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.tx_stats.c++) +#define TX_STAT_ADD(hif_dev, c, a) \ + __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.tx_stats.c += a) +#define RX_STAT_INC(hif_dev, c) \ + __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.skbrx_stats.c++) +#define RX_STAT_ADD(hif_dev, c, a) \ + __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.skbrx_stats.c += a) void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, struct ath_rx_status *rs); @@ -374,13 +378,13 @@ void ath9k_htc_get_et_stats(struct ieee80211_hw *hw, struct ethtool_stats *stats, u64 *data); #else -#define TX_STAT_INC(c) do { } while (0) -#define TX_STAT_ADD(c, a) do { } while (0) -#define RX_STAT_INC(c) do { } while (0) -#define RX_STAT_ADD(c, a) do { } while (0) -#define CAB_STAT_INC do { } while (0) +#define TX_STAT_INC(hif_dev, c) +#define TX_STAT_ADD(hif_dev, c, a) +#define RX_STAT_INC(hif_dev, c) +#define RX_STAT_ADD(hif_dev, c, a) -#define TX_QSTAT_INC(c) do { } while (0) +#define CAB_STAT_INC(priv) +#define TX_QSTAT_INC(priv, c) static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, struct ath_rx_status *rs) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index a23eaca03..672789e3c 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -106,20 +106,20 @@ static inline enum htc_endpoint_id get_htc_epid(struct ath9k_htc_priv *priv, switch (qnum) { case 0: - TX_QSTAT_INC(IEEE80211_AC_VO); + TX_QSTAT_INC(priv, IEEE80211_AC_VO); epid = priv->data_vo_ep; break; case 1: - TX_QSTAT_INC(IEEE80211_AC_VI); + TX_QSTAT_INC(priv, IEEE80211_AC_VI); epid = priv->data_vi_ep; break; case 2: - TX_QSTAT_INC(IEEE80211_AC_BE); + TX_QSTAT_INC(priv, IEEE80211_AC_BE); epid = priv->data_be_ep; break; case 3: default: - TX_QSTAT_INC(IEEE80211_AC_BK); + TX_QSTAT_INC(priv, IEEE80211_AC_BK); epid = priv->data_bk_ep; break; } @@ -328,7 +328,7 @@ static void ath9k_htc_tx_data(struct ath9k_htc_priv *priv, memcpy(tx_fhdr, (u8 *) &tx_hdr, sizeof(tx_hdr)); if (is_cab) { - CAB_STAT_INC; + CAB_STAT_INC(priv); tx_ctl->epid = priv->cab_ep; return; }