From mboxrd@z Thu Jan 1 00:00:00 1970 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 3AF1FC072A2 for ; Wed, 15 Nov 2023 19:36:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234477AbjKOTgP (ORCPT ); Wed, 15 Nov 2023 14:36:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234556AbjKOTgL (ORCPT ); Wed, 15 Nov 2023 14:36:11 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3345019D for ; Wed, 15 Nov 2023 11:36:08 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A19F3C433C7; Wed, 15 Nov 2023 19:36:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700076967; bh=r19ayrRc3skBZlj/Ce/GeDh8MeAFdn+OOQMmPdQs+34=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Exq2A8N8+FRO9FeC4lY4ciV5zQ7voflxd6+sbWwaso1CMn7v+BCy89r2amlDOdWJ/ bpfCnzmUZBqz+vlNxuyvyazPgDnYO/2qumOfbttbMQe8VbJawy9YyNlT3cMAkHyAMX xFw2VnemRa9o2Jd2GKhx1m79y3np5/Zgfx9Tu5og= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Felix Fietkau , Sasha Levin Subject: [PATCH 6.6 082/603] wifi: mt76: remove unused error path in mt76_connac_tx_complete_skb Date: Wed, 15 Nov 2023 14:10:27 -0500 Message-ID: <20231115191618.800137269@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115191613.097702445@linuxfoundation.org> References: <20231115191613.097702445@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Fietkau [ Upstream commit 832f42699791e7a90e81c15da0ce886b4f8300b8 ] 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 Stable-dep-of: bde2e77f7626 ("wifi: mt76: mt7996: set correct wcid in txp") Signed-off-by: Sasha Levin --- 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 dc8f4e157eb29..6ca7b494c2c26 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 0019890fdb784..fbb1181c58ff3 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 ee5177fd6ddea..73db9e14db06c 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 b8b0c0fda7522..2222fb9aa103e 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 e7a995e7e70a3..c866144ff0613 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 ac8759febe485..0eebf915df265 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; -- 2.42.0