From nobody Mon Apr 6 15:45:07 2026 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 F29C93B27D0 for ; Thu, 19 Mar 2026 09:36:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773912977; cv=none; b=pFulQm2D4cvOOaCcowfzYk1aHi0aritt52j0aiCK1kPQMZUtnBDd8yMYngzPQ7eTohfIPkWj6oRdxYWlN8tFi17aIQwW3wqk8ThGSqp+TtyuP97+zoR7ta51v2+uTWQFFMv/7fRxzvfw4vPiBvRScDVukgYjM/l0DdVbYLJiYYA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773912977; c=relaxed/simple; bh=iOsjrh+7fT7eBiA8uBPw6vm41mDYgIncXBJx75Kg3PI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jotfI8iE1kD8YeoRvFAHkf6crgT/S2mcw3la1u4Qkhyen1ltp79th10BvL7BdPcF66z14Q/uD24vL8MCEjKXyjg7HvHCyvaQ3lxHZRR8kAQ4CLTIl6/6q960g3nw57W/EUOzGD+IDuY79fJhAdTqA+crsuwBOznNP6J2RIy7qP4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1w39nV-0003O7-OP; Thu, 19 Mar 2026 10:36:09 +0100 Received: from dude04.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::ac] helo=dude04) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w39nV-0013DZ-0u; Thu, 19 Mar 2026 10:36:09 +0100 Received: from [::1] (helo=dude04.red.stw.pengutronix.de) by dude04 with esmtp (Exim 4.98.2) (envelope-from ) id 1w39nV-00000008yzO-0Xqh; Thu, 19 Mar 2026 10:36:09 +0100 From: Michael Grzeschik Date: Thu, 19 Mar 2026 10:35:59 +0100 Subject: [PATCH 02/11] net/9p/usbg: also disable endpoints on p9_usbg_close Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260319-9pfixes-v1-2-c977a7433185@pengutronix.de> References: <20260319-9pfixes-v1-0-c977a7433185@pengutronix.de> In-Reply-To: <20260319-9pfixes-v1-0-c977a7433185@pengutronix.de> To: Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , Greg Kroah-Hartman , Hyungjung Joo Cc: v9fs@lists.linux.dev, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Michael Grzeschik , stable@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=937; i=m.grzeschik@pengutronix.de; h=from:subject:message-id; bh=iOsjrh+7fT7eBiA8uBPw6vm41mDYgIncXBJx75Kg3PI=; b=owEBbQKS/ZANAwAKAb9pWET5cfSrAcsmYgBpu8OF8S1QKoQ23PyuWNvolvuq74l/AtJHo+WwI fNs7nHMUByJAjMEAAEKAB0WIQQV2+2Fpbqd6fvv0Gi/aVhE+XH0qwUCabvDhQAKCRC/aVhE+XH0 q4iREACd4nb0rMWY8R5eaXv7LBnyJDWi9VS6cbJAqTyB1Wr0Ec3rEN258gDb2ZJMkJywVQPXzcE EnvcLhDxd/aKSVpri7IV+MRGRInshl84WhMC4xTQBfBkO0ay1MGCktnHRVzuqOO1NrgTeodeNpQ zT3qi1M4ECekponmuGekhyZvA8tcJqLic2M35mOH9gPrVK6F8rDwrcdCgX4Fjiipyk79gV0Z6ND dntC3ZhpyOpOb0Em+s8nrEtS/wbyoJlHCNawwXMKmW0Y1YNVKE9pKkmuE2UvE8otJ7qokcfx+7M DfF8/Iei5gDhfscxCPt9NL/vVrzCA5i/BdCNXSFvMD7MAD9irQEeP3GaPgZiAtuc/sq9gjbnkyD pP7a7lj6q+bnxfI38Dhi8s99lGVyaa8srDX6USLpFitG97EgFGn1PensrMBJJKqCuKQzuMTVuN+ t9dk5YC4GRYl5Wq5eAwcLr2dIlkZ8Pi6UU6iA3XXobzs29C3/yMbA/EQGuOp6Irgt0fI6hyjITR jDnyEHo8kpG3d9ickOR4J2ahV0JEWfQ1oWGYkoqa3H+zF5XLZQjwBo1hgnRs+i6a0/pjzVCUn8X td0rRCspT304sUd3akU1YkPun/7RL5FIqPV3uSIYde3LpTtQQBADaIeWhhi78ypbHxJcL0MQ5M+ YKVTFbYhOlcR3qw== X-Developer-Key: i=m.grzeschik@pengutronix.de; a=openpgp; fpr=957BC452CE953D7EA60CF4FC0BE9E3157A1E2C64 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: m.grzeschik@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org The close function has to fully reverse the state change of 9p_create (mount) and the potential call of set_alt(1). This includes to ensure that the usage of the endpoints is not active any more. Fixes: a3be076dc174 ("net/9p/usbg: Add new usb gadget function transport") Cc: stable@vger.kernel.org Signed-off-by: Michael Grzeschik --- net/9p/trans_usbg.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/9p/trans_usbg.c b/net/9p/trans_usbg.c index f7a94572013e7d1015d75fb5dbdde5eb81f7d7d0..fb05198dc2a7d604cfad2db26a6= 3e40e632651a2 100644 --- a/net/9p/trans_usbg.c +++ b/net/9p/trans_usbg.c @@ -495,6 +495,8 @@ static void p9_usbg_close(struct p9_client *client) mutex_lock(&usb9pfs_lock); dev->inuse =3D false; mutex_unlock(&usb9pfs_lock); + + disable_usb9pfs(usb9pfs); } =20 static int p9_usbg_request(struct p9_client *client, struct p9_req_t *p9_r= eq) --=20 2.47.3