From patchwork Mon Sep 11 18:38:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 722112 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 A81FDCA0EC9 for ; Mon, 11 Sep 2023 21:48:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241435AbjIKVs3 (ORCPT ); Mon, 11 Sep 2023 17:48:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243998AbjIKSiq (ORCPT ); Mon, 11 Sep 2023 14:38:46 -0400 Received: from nbd.name (nbd.name [46.4.11.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26C751AB for ; Mon, 11 Sep 2023 11:38:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Sender:Reply-To:Cc:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=eAcOTaZvHF4QuJj6wJNpdOVVeuYWcUAcVJa8WDVm+8s=; b=f4nBOL5A+gTrD3tZ4uzlK4VkNM /bbL1i67/knuLjPHRQhzAOt5JD5n3cqVtQbs+7qWb03KXoibZcpjB1fKD+trn1uqh0SiNco8nu/l/ E0yPb3ITJkiIF3Ld80rLqJbGCK5BVHNERQGFvj2UXt7Ctx17TZjsWVgnR280QSH2S+O4=; Received: from p4ff13705.dip0.t-ipconnect.de ([79.241.55.5] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.94.2) (envelope-from ) id 1qflny-000t0P-GF for linux-wireless@vger.kernel.org; Mon, 11 Sep 2023 20:38:38 +0200 From: Felix Fietkau To: linux-wireless@vger.kernel.org Subject: [PATCH 2/2] wifi: mt76: remove unused error path in mt76_connac_tx_complete_skb Date: Mon, 11 Sep 2023 20:38:37 +0200 Message-ID: <20230911183837.51601-2-nbd@nbd.name> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230911183837.51601-1-nbd@nbd.name> References: <20230911183837.51601-1-nbd@nbd.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The error handling code was added in order to allow tx enqueue to fail after calling .tx_prepare_skb. Since this can no longer happen, the error handling code is unused. Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/dma.c | 3 --- .../net/wireless/mediatek/mt76/mt7615/pci_mac.c | 2 +- .../wireless/mediatek/mt76/mt76_connac_mac.c | 17 ----------------- drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 2 +- .../net/wireless/mediatek/mt76/mt7921/pci_mac.c | 2 +- drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 2 +- 6 files changed, 4 insertions(+), 24 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 05d9ab3ce819..6a6af1d3d687 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -330,9 +330,6 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx, if (e->txwi == DMA_DUMMY_DATA) e->txwi = NULL; - if (e->skb == DMA_DUMMY_DATA) - e->skb = NULL; - *prev_e = *e; memset(e, 0, sizeof(*e)); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c index 0019890fdb78..fbb1181c58ff 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c @@ -106,7 +106,7 @@ int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, else mt76_connac_write_hw_txp(mdev, tx_info, txp, id); - tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL; return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index ee5177fd6dde..73db9e14db06 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -151,23 +151,6 @@ void mt76_connac_tx_complete_skb(struct mt76_dev *mdev, return; } - /* error path */ - if (e->skb == DMA_DUMMY_DATA) { - struct mt76_connac_txp_common *txp; - struct mt76_txwi_cache *t; - u16 token; - - txp = mt76_connac_txwi_to_txp(mdev, e->txwi); - if (is_mt76_fw_txp(mdev)) - token = le16_to_cpu(txp->fw.token); - else - token = le16_to_cpu(txp->hw.msdu_id[0]) & - ~MT_MSDU_ID_VALID; - - t = mt76_token_put(mdev, token); - e->skb = t ? t->skb : NULL; - } - if (e->skb) mt76_tx_complete_skb(mdev, e->wcid, e->skb); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index b8b0c0fda752..2222fb9aa103 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -809,7 +809,7 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, txp->rept_wds_wcid = cpu_to_le16(wcid->idx); else txp->rept_wds_wcid = cpu_to_le16(0x3ff); - tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL; /* pass partial skb header to fw */ tx_info->buf[1].len = MT_CT_PARSE_LEN; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c index e7a995e7e70a..c866144ff061 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c @@ -48,7 +48,7 @@ int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, memset(txp, 0, sizeof(struct mt76_connac_hw_txp)); mt76_connac_write_hw_txp(mdev, tx_info, txp, id); - tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL; return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index ac8759febe48..0eebf915df26 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -995,7 +995,7 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, txp->fw.rept_wds_wcid = cpu_to_le16(wcid->idx); else txp->fw.rept_wds_wcid = cpu_to_le16(0xfff); - tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL; /* pass partial skb header to fw */ tx_info->buf[1].len = MT_CT_PARSE_LEN;