From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4BC17446053; Thu, 24 Sep 2026 16:31:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790267477; cv=none; b=LBGS+2BNjtJz5FHGMypVV94hlg4LxShZ5+J/Eh1oZC6jbMIYX8JSqHYjRey3l5BW6rmDBKC//tf3tIv6ZQjGlaEs6Pc12HRZn/YqsZgORZERjOpzHzppSQY9u9268ZnUf3/GEiHsZYvBWYr4ItPYslKH3JRK6gLVrMG7XNsoXPE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790267477; c=relaxed/simple; bh=IdA+mcFIM/aPB3twx0y7leb4szaFE/tPvTooXY9G6LA=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=OILzECM2DxC4qPB/oQQUknbbyyM+7p0ae/ZWl/ZN3lkHEQOkVw6j4hXmq6W2NY4pOv5DzobMguAefu0w1DimS6+7QhJX99jEUofP+aCmNZEdY7dTzpTrhSp2c8qo7hqntHls9Cf67/GK0Ku6AGJAZM43x04QjXPwkLfjoBe/9s4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Nk5g+hFX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Nk5g+hFX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB2B31F00893; Thu, 24 Sep 2026 16:31:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790267475; bh=ow/Q57RKC0ibuf1QxYnFsae0EBpIqB7kmXidBtLR4os=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=Nk5g+hFX1F5vuh0mFcjO9vJLU3bQNQh2q8Jv8EOPPrKTp3bmz34Q81opzVIUcFbpm 2CdBEc85FeGnWgT7q8USMGOtJhkks+q+7mcp14Jh6v9myPXNrdt7DX/I5/Wir5PrmV e9SdfZ9QC8T/tnGDT5i7ytogWbRuFCQn6fRQqz4nXRlTg3MC6VTPXlGk0rHWbs5eCZ 39wScb4ed3A7SI86rDT+Yc7fP3S54TsGUY94l+HD/yILUenFyLW3nRDF/oo4JiJmMl uC6RxEVoxLAq7fJemHXmn6f12lFPYshTTmMFFKciI90D/HurIMP2Q9glFSC1eFEPvx M4oLnshqtfj/A== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 198543A566CE; Thu, 24 Sep 2026 16:30:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v2] net: usb: cdc_mbim: add MeiG Smart SRM821 to ZLP whitelist From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179026740490.1641283.14259237051960646702.git-patchwork-notify@kernel.org> Date: Thu, 24 Sep 2026 16:30:04 +0000 References: <20260920074500.826121-1-wangming01@loongson.cn> In-Reply-To: <20260920074500.826121-1-wangming01@loongson.cn> To: Ming Wang Cc: netdev@vger.kernel.org, linux-usb@vger.kernel.org, stable@vger.kernel.org, oliver@neukum.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Sun, 20 Sep 2026 15:44:59 +0800 you wrote: > The MeiG Smart SRM821 5G module (0x2dee:0x4d53) crashes and drops off > the USB bus when it receives a Zero Length Packet (ZLP) after sending > or receiving an NTB of exactly 16384 bytes (tx_max). > > According to the MBIM specification, devices do not require a ZLP > if the NTB size is exactly dwNtbOutMaxSize. However, the cdc_mbim > driver defaults to sending ZLPs for devices not explicitly whitelisted > to accommodate non-conformant hardware. This default behavior breaks > the strictly conformant MeiG SRM821 module. > > [...] Here is the summary with links: - [v2] net: usb: cdc_mbim: add MeiG Smart SRM821 to ZLP whitelist https://git.kernel.org/netdev/net/c/f75f21ef3628 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html