From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E0A38349B03; Fri, 21 Nov 2025 11:13:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763723584; cv=none; b=Rz+fs3jGgr+A6AYdGjXQGvKCch5w8BBOD/a2HcFRPSUUV4n3XmQk5fqxUW/k/VPbfLrjtxcYvSW89u7QIpxCbH4FX7YnyBOdr/uA4CjZUywrLtUrddKBXCbaKw6BhlViQQK95YmHTgJmQ4DRTAiCwXmKfDigoVEd9+Vs6qybwb0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763723584; c=relaxed/simple; bh=0mEWGPS5eTsTuZX5jEeHYWG/Gd99iHCmw8ReRd54iyU=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=EW8KxJ6IUwOlHGQT0D/WU+nJyULCZ0VoadURYckouRKughmbMFanDHZpls9wqr9gM9TJ9zAkSbwF+n+vkXnf6YugmGhbmr+vwmDCOsJOxhoCj9m/JLaKP3Z2xfX18U2fyyI89u5VvOm/WDVzhUlAht7yKWx15lHbL1V0rrp0qTs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b=ib2r4r1a; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b="ib2r4r1a" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 5ALBCeSmA3461944, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1763723560; bh=0mEWGPS5eTsTuZX5jEeHYWG/Gd99iHCmw8ReRd54iyU=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:Content-Transfer-Encoding:MIME-Version; b=ib2r4r1abF7j5UtFzRGOuBYsQDUbWjGj6+u0Yi4MF4OjOzE/2dLMkkEuZobSsWCw2 tbgdS+KLXXewSIbgCANTArFFecUNSLqvah3gLsgJP/2WMj7CiFOBIZ0/FSahfyaCxZ 7Xyffd2tnaC3PpsoXibHNppStPtknxDyvxlgzD28dFIB5JoYztUu4+97fVk0MfJNDs ER1IMkCambLcqEj/AoCxWTH8MDPp3YfbhlZHGjjweOwCRLyEB1q8ls3lh+i2h6pL25 pUmaZi5AyW6oZa+cVBioIw2CUZjGijaE9sYQMPdR2+a77YWEDr16c9gbN+FjvjRWwO cL0xli2rOQlOQ== Received: from mail.realtek.com (rtkexhmbs03.realtek.com.tw[10.21.1.53]) by rtits2.realtek.com.tw (8.15.2/3.21/5.94) with ESMTPS id 5ALBCeSmA3461944 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Nov 2025 19:12:40 +0800 Received: from RTKEXHMBS03.realtek.com.tw (10.21.1.53) by RTKEXHMBS03.realtek.com.tw (10.21.1.53) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.27; Fri, 21 Nov 2025 19:12:40 +0800 Received: from RTKEXHMBS03.realtek.com.tw ([::1]) by RTKEXHMBS03.realtek.com.tw ([fe80::2514:51f7:92e3:7d6a%9]) with mapi id 15.02.1544.027; Fri, 21 Nov 2025 19:12:40 +0800 From: Ping-Ke Shih To: "Gustavo A. R. Silva" , Zenm Chen , "gustavoars@kernel.org" CC: "Jes.Sorensen@gmail.com" , "linux-hardening@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-wireless@vger.kernel.org" , "rtl8821cerfe2@gmail.com" Subject: Re: [PATCH][next] wifi: rtl8xxxu: Avoid -Wflex-array-member-not-at-end warnings Thread-Topic: [PATCH][next] wifi: rtl8xxxu: Avoid -Wflex-array-member-not-at-end warnings Thread-Index: AQHcWTQWm+ekto8gdkOtuZTX88y/HbT8ZJsAgAADogCAAJNFUg== Date: Fri, 21 Nov 2025 11:12:40 +0000 Message-ID: <884145e57dc640d3bed29922d352f658@realtek.com> References: <20251121100654.9125-1-zenmchen@gmail.com>, In-Reply-To: Accept-Language: en-US, zh-TW Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Gustavo A. R. Silva wrote: > On 11/21/25 19:06, Zenm Chen wrote: > > Dear maintainers, > > > > With this patch applied, my system always freezes right after the rtl8x= xxu > > driver is loaded. is it normal? >=20 > I don't think so... It probably means that struct urb urb; cannot really = be > moved to the end of struct rtl8xxxu_rx_urb or struct rtl8xxxu_tx_urb? >=20 > It'd be great if you could share a log. >=20 > Thanks for the report! > -Gustavo >=20 > > > > OS: Arch Linux > > kernel: 6.17.8-arch1-1 > > test devices: RTL8192{CU,EU,FU} > > As my review, 'struct urb urb;' seems only a member data. No order problem. To have enough time to dig the problem, I'd drop this patch from my pull-request for now.