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=1794585386; b=WSBBZjrnYB/1UJKXvrtcCT1/k0yefOqRLartb0sXBZ5NQNbeq+ZgbJnzx6RlUXcyAe8O hD0PQcP/OMcdd89XZb61vUvlMISXNIAiobsxg3BOow286KVpHug61wNLRFff/1R//AyNd gmuWIrWK+p7U58gfjoIUod7FMQEolRXz1qsrCbY8FcEMC9rT9uvWhNCD4KYvX0hK1BI/h HDweBzpYldL3PvujGi41pTx+P2AXFSWYoKfvZQanQYBDnrJUuiYQbue6CQJ+nWDjEapjJ 0bHCC2EWy/g1Egvb7sCKi3EbpfSs4v059ZS84py9BNaEOiZ8oPa9szTils0t7CV/bTQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794585386; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=kqeTBMzZ8xaGkFRjpl4pmG0os1iQjoSGcQVnpDmbF3U=; b=u6kWVA4jwioe5/hddg70FWIqzDNKBoF9sKgF77zZLKpzdezhDwUlPQFkzEND0OkaXr7s R0u4cm6W2bgobO0pwTJS7QYJjh1zKpfPtEmNOues0RHLth6Bvf1l/BpYk2PqvJ2oS2CdA EBwmVezI0tbOBOISMWl0sG2xgH5nEec6bK+xp8pzOoE4BDl4Zim5njI6Xk/00K8g13t8t hFyndKczkJnkyFrHTv2G24IIjiel6kaMg8EJgzKlVzbzzPAaOwx95LyMEt3BGdESTNHeI XBsCp7yDELDEbox8HmUVQC67VDPyJxHIy8fy/4MNAR+V0oJhjkwa5abC+tjWc7MTdOA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=kLeghwJu; 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 745E66070225; Fri, 13 Nov 2026 15:56:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=kLeghwJu Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7C221F000CF; Fri, 13 Nov 2026 15:56:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794585386; bh=kqeTBMzZ8xaGkFRjpl4pmG0os1iQjoSGcQVnpDmbF3U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=kLeghwJuoOMSMEuzZP4d76qKiSO7m/zq+P3oj+8gV5cqNKZGpLeFcqb8+v+9/7TIU +sGdGaQ82KzYEOXxZupYY8ykdDvAdvlgMo2Iy2LxHxvdPNETbDZy505OiKPbFS6934 ISxMWCOEwSnb8r0gRGTXpk73hAg/qgxnwWjWGUTo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Michael Grzeschik , Dominique Martinet , Sasha Levin Subject: [PATCH 7.3 051/507] net/9p/usbg: also disable endpoints on p9_usbg_close Date: Fri, 13 Nov 2026 10:45:55 -0500 Message-ID: <20261113153755.280439192@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261113153753.358973689@linuxfoundation.org> References: <20261113153753.358973689@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michael Grzeschik [ Upstream commit f81cdb9164806eb2df1e1c6df402e03bff7dde31 ] 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 Message-ID: <20260922-usb9pfsfixes-v1-1-9d8dcc52904c@kernel.org> Signed-off-by: Dominique Martinet Signed-off-by: Sasha Levin --- 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 e2309500a8c74..0b7fcba4a2262 100644 --- a/net/9p/trans_usbg.c +++ b/net/9p/trans_usbg.c @@ -467,6 +467,8 @@ static void p9_usbg_close(struct p9_client *client) mutex_lock(&usb9pfs_lock); dev->inuse = false; mutex_unlock(&usb9pfs_lock); + + disable_usb9pfs(usb9pfs); } static int p9_usbg_request(struct p9_client *client, struct p9_req_t *p9_req) -- 2.53.0