From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (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 388B42F6919 for ; Wed, 19 Nov 2025 19:40:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763581218; cv=none; b=gC82X1adgDGCNag8WLmRjKqfoew9q7ao7So28dzTEcmS9K9BsXK3MyCK6BMc0S32tv0EIwfWfFOELa4RG9SFPESv9z/rWu/zx9Nv6upGaM6mnwrBrQ5ONuPaNUN5uNa+LFLcnXYIM6yLde5OxBo77oQolMSgrgisAxUkLhlUpu0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763581218; c=relaxed/simple; bh=jOtYG2BALSx/2EgVQx8wnWiNbewyqQUUStBXu5wk/Hs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=stiTt/75+R0blTNJlqA/zb+Ic2UWf4X5RaerzR1CAs3yxONIfKV7j1nC3Rkfmd2cLf7SlalnBrDAA8W5UeYOBmPdDh24LyJ2j0hZLCI04kLiUSu3laYfGyaQuqGdPUSu66XND7VJ6LRHHcHJdMWiH7p+yivtYK+Pfyd5sRvfl3E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=doNCoX+/; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="doNCoX+/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=jOtY G2BALSx/2EgVQx8wnWiNbewyqQUUStBXu5wk/Hs=; b=doNCoX+/DcnDPlh8w0dS l+PfvorX9vA/A7Ro61R65qPDMX6Awz/AB698xyCRpx4UjjiH3YzSr3AQNa+VcfQu 6okWHXlFDVan5kFnmvFNVoFed/ELSYF5aeFd07hdGmndeqn30A/b1mFIH7J+ohx4 g6R1mBPw8+gQFORB3F/uBXMbjnElgZbBnCBNIAkRMOR7z6MEKTg6+xP2CejmOFmq Ci9DHsDpLcHKCFZbKxqmM8zW8a4sEIe5kxt8Z632Mt+0oLwK8WDnh8+iVLEr+lR6 gpplUrK7/udwMhlTyyap2Rmny+yN1CkW99B0irKjYti5cwM0lBCM7xM3yaxYKYc/ fQ== Received: (qmail 84417 invoked from network); 19 Nov 2025 20:40:04 +0100 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 19 Nov 2025 20:40:04 +0100 X-UD-Smtp-Session: l3s3148p1@jMg6v/dDJnltKPF4 Date: Wed, 19 Nov 2025 20:40:04 +0100 From: Wolfram Sang To: Alan Stern Cc: Nalivayko Sergey , linux-media@vger.kernel.org, Mauro Carvalho Chehab , Antoine Jacquet , Christophe JAILLET , lvc-project@linuxtesting.org, syzbot+0335df380edd9bd3ff70@syzkaller.appspotmail.com, stable@vger.kernel.org Subject: Re: [PATCH] dvb-usb: dtv5100: rewrite i2c message usb_control send/recv Message-ID: References: <20251117155356.1912431-1-Sergey.Nalivayko@kaspersky.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="fE2iGKMxtf5u0oxZ" Content-Disposition: inline In-Reply-To: --fE2iGKMxtf5u0oxZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > Can't this problem be fixed more simply by setting the=20 > I2C_AQ_NO_ZERO_LEN_READ adapter quirk flag, as in some of Wolfram Sang's= =20 > recent commits? I think so. Hmm, I searched the tree for potential candidates. Seems this slipped through :( For reference, I fixed it in another media driver with commit b5ae5a79825b ("media: usb: hdpvr: disable zero-length read messages"). --fE2iGKMxtf5u0oxZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmkeHRAACgkQFA3kzBSg KbYeERAApVUraYP2AY2EVBwusTFRxFk6yB76GEnh6lt0KsY6I5AWIRymNnMKihvM R+h5wLEbKkGO2WZF49peaw4qLqzhN0iYp5V73rp6mJObL9ImDaQKLJaNEKZAfJuW ScXjenmh6Jge67e7REfYmlQLmx2tqVJyUer4DaDhrvKCSl4UfiYjkWu56SWO4e/+ sD/vcQjW1gDTuNeyD7L2PgpQGQHLQu+qCPy114yEzR9aJgO4luyeSwkeZO85o9g9 skCYmp7ZiotF+nJR+mWshVu7re136jhFB8DWseRxKSY8sKk+uK6O9Q2XsaKGosXD o71k1V8qCVyd9EwtHV8aqXkZFJTG0zjD7HYmfbnsL0OJ4SauEyiVse+mTP3/Qru9 gntRSxxbyiLmRU1g7vwN7ZLBYIie4cQ6s/1tnbPgpMrYkv1W2g1Wce1enV6uvkGb zC8yiPMMeqIUtSEkyFLP3sFTI9ugmiQHe+6+wnxNRsjGzx1OF99yk3huWEEfZGYU 9UtVmjzRbdXbtGMqBk414p39tZGTBDjFI9L/o3epdu4PoaOFDyyAxr1ZrUksBUPQ DNNs2bTHrkMHf6w4Csi18ou814tBsSDt1koXG+3xKTlfl66mC1mn+9IzMRorV2Xn H57nX1H6Sk4iIoXhIMRSTpLJzIDnDtqXPEPoHVI7GkePhTomRC8= =GBrx -----END PGP SIGNATURE----- --fE2iGKMxtf5u0oxZ--