From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794220914; b=EZIXJQgi8SnwoDv7wd1JK26zgG3HtqglscaPAh0uvtn9VVJH+3yUuHycwESu0BZ7B5Z4 WJlyKgsslA+9WJHENhIhrOEiMUWxRSvOeUUWaZlQ4FrXtTmBgNvgu+pR4iyDq+bVqgmKm wGoKozZeUGWAnarG5pszYX4v5SxXMvZGO4qMr80qaOfXN6mgA7GNrtZk20mg296u8Smdz xBhkaMRi+67z9/KBeeh7PkdITureJWsdhmu96eTEFj9hmw2uEvPvEk1QE/+fl9fBzILdI pYLqDn4x3rVn6vvuGLW8UMvdebMPct/dkE7AtUoHvG8Xmz8ZniEf+e7s5q4R+GMAVoA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794220914; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=FVutMJGxfKTrFtXYwtz9U3hWU0+h4RoBPEV8gtNFRRM=; b=SJfoFH2+wM2qoxGV+0RaAFTwHpOem8sfHluQx7OOHTWpxhpOzkIK2+S7xyybqr2+WDuD ZEHJ5x2zDVH9i0x8h2isMSkEnJsWP2uczRrNqWYCXqX6qkCjwEwGogWttqjQiADoOWIVb USsVaq0U2TfRRHd69VORcRh0EcoT+DK1qYkso7SOtTGVJcAbn5hPZIukcHa+Adq5NqzlN ws1yvPIe0L4Ljt/xw1HcKGKHpG8kbriSvIjnQ8cB4RDZvZNCROBS8dcUQZFFj/o/HYaki LAd0BbifgsHmGU5mclRlBpKeK1I/uKgZDevpnnWU1/gslSit/50s0hM6HXue7WaoH3g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PxLn+JSx; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 05E28606A31C for ; Mon, 9 Nov 2026 10:41:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PxLn+JSx Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6C0E1F0089F; Mon, 9 Nov 2026 10:41:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794220913; bh=FVutMJGxfKTrFtXYwtz9U3hWU0+h4RoBPEV8gtNFRRM=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=PxLn+JSxCl9Yfu6b0zCUzJsXpITheDojDRocgGkBYVKsr4Wh4c6JOIGtIl8UT4lV/ YUSw2GYpkB5odDQHxTQsX65vcm0LGerhXAj2P6P+vRHe8MGd2bPSz5RvR1FWpBY/ws Klxw16P8a5bwJQs+IeiOpKI1hUDeoCLtyKfVpFHZCuByWzflcS+b367vXTPp3NUsQJ Htecmpn3gbGO0lxvjxj0OOQJAGdBfYMhfRDjY7pJeWThYAce204x8erMGIcpKVojza 8oLH4nxOtsrKC0Qmb+bY39aqqUUXP5lZn7vQXCICfEzLyMn/Qd0Qc6NGw3kwvd0k4o 7hXleg5rc+9Cw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH] usb: gadget: f_fs: Fix mmgrab()/mmdrop() balance. Reply-To: sashiko-reviews@lists.linux.dev To: "Ingo Rohloff" Cc: linux-usb@vger.kernel.org In-Reply-To: <20261109103714.4000-1-ingo.rohloff@lauterbach.com> References: <20261109103714.4000-1-ingo.rohloff@lauterbach.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 09 Nov 2026 10:41:53 +0000 X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > This fixes commit 5eb5c72c72fe ("USB: gadget: ffs: fix mm lifetime > handling"). The problem is that the previous patch calls mmgrab() for > reads and writes, but it only calls mmdrop() for reads. So with each > completed async IO write (via an USB IN endpoint) the number of mm_count > increases. >=20 > Signed-off-by: Ingo Rohloff Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261109103714.4000= -1-ingo.rohloff@lauterbach.com?part=3D1