From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 404C42F84F; Tue, 26 Aug 2025 13:39:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756215575; cv=none; b=TjbDICWsD+AsadK8NxcrbLYKQNtvAUfIM+K6WNPIaGYgHdmW11tpJaGVNplu/Q3JT42WldpZ7zyYOA15hU7GOkcQBTGRn7Bc0jgWzncavgCUT85ywS0/SQ2PMsD2NRY5KK2lsNrt7ABxGUKBgG7ydpblLYJQJTNiMpmGZyglU74= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756215575; c=relaxed/simple; bh=qOY0oSYiD8AbEdjz59iBqzdBdc2Qh4JNLH8+pFuel30=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PLojOXc/3DS7N+VDRQ3qDy28HfXR/ijNTvueL1BJq8ru42EarK4fDUK9jmxctEdjwx1ecveB5disVwgYdGcPsWbLV8b3kaQaSGTA6L737pw+7uvXC0q/Or/KI0lA35Bo4Aam7LaGbuvJ9ZDzxYHBhmMKS8DVsJA02V+V03Kcsz8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tZOiyIGr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="tZOiyIGr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F20CC4CEF1; Tue, 26 Aug 2025 13:39:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756215574; bh=qOY0oSYiD8AbEdjz59iBqzdBdc2Qh4JNLH8+pFuel30=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tZOiyIGrW3w8I9D+jDBr087IUhSg5uzPrnoRlO59LWf6JYC1afYjpfApcSc6SUya6 kWKs4dCnWq50SzuUaygyG6tx0gGrziEW8Nenrue0w+NxQHwwKuqGND8tceYKyz0h12 78mKnhFc7lp7Z/Z79dBzOZkakPSrateFDp1BWPsc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jian Shen , Jijie Shao , Simon Horman , Paolo Abeni , Sasha Levin Subject: [PATCH 5.15 085/644] net: hns3: fix concurrent setting vlan filter issue Date: Tue, 26 Aug 2025 13:02:56 +0200 Message-ID: <20250826110948.605511487@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110946.507083938@linuxfoundation.org> References: <20250826110946.507083938@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jian Shen [ Upstream commit 4555f8f8b6aa46940f55feb6a07704c2935b6d6e ] The vport->req_vlan_fltr_en may be changed concurrently by function hclge_sync_vlan_fltr_state() called in periodic work task and function hclge_enable_vport_vlan_filter() called by user configuration. It may cause the user configuration inoperative. Fixes it by protect the vport->req_vlan_fltr by vport_lock. Fixes: 2ba306627f59 ("net: hns3: add support for modify VLAN filter state") Signed-off-by: Jian Shen Signed-off-by: Jijie Shao Reviewed-by: Simon Horman Link: https://patch.msgid.link/20250722125423.1270673-2-shaojijie@huawei.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- .../hisilicon/hns3/hns3pf/hclge_main.c | 36 +++++++++++-------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index a0284a9d90e89..d228e37f8b3d9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -9709,33 +9709,36 @@ static bool hclge_need_enable_vport_vlan_filter(struct hclge_vport *vport) return false; } -int hclge_enable_vport_vlan_filter(struct hclge_vport *vport, bool request_en) +static int __hclge_enable_vport_vlan_filter(struct hclge_vport *vport, + bool request_en) { - struct hclge_dev *hdev = vport->back; bool need_en; int ret; - mutex_lock(&hdev->vport_lock); - - vport->req_vlan_fltr_en = request_en; - need_en = hclge_need_enable_vport_vlan_filter(vport); - if (need_en == vport->cur_vlan_fltr_en) { - mutex_unlock(&hdev->vport_lock); + if (need_en == vport->cur_vlan_fltr_en) return 0; - } ret = hclge_set_vport_vlan_filter(vport, need_en); - if (ret) { - mutex_unlock(&hdev->vport_lock); + if (ret) return ret; - } vport->cur_vlan_fltr_en = need_en; + return 0; +} + +int hclge_enable_vport_vlan_filter(struct hclge_vport *vport, bool request_en) +{ + struct hclge_dev *hdev = vport->back; + int ret; + + mutex_lock(&hdev->vport_lock); + vport->req_vlan_fltr_en = request_en; + ret = __hclge_enable_vport_vlan_filter(vport, request_en); mutex_unlock(&hdev->vport_lock); - return 0; + return ret; } static int hclge_enable_vlan_filter(struct hnae3_handle *handle, bool enable) @@ -10743,16 +10746,19 @@ static void hclge_sync_vlan_fltr_state(struct hclge_dev *hdev) &vport->state)) continue; - ret = hclge_enable_vport_vlan_filter(vport, - vport->req_vlan_fltr_en); + mutex_lock(&hdev->vport_lock); + ret = __hclge_enable_vport_vlan_filter(vport, + vport->req_vlan_fltr_en); if (ret) { dev_err(&hdev->pdev->dev, "failed to sync vlan filter state for vport%u, ret = %d\n", vport->vport_id, ret); set_bit(HCLGE_VPORT_STATE_VLAN_FLTR_CHANGE, &vport->state); + mutex_unlock(&hdev->vport_lock); return; } + mutex_unlock(&hdev->vport_lock); } } -- 2.39.5