From nobody Sun Feb 8 02:38:08 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 297C81E25E3; Tue, 3 Dec 2024 16:20:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733242820; cv=none; b=Nk+2WKH2NqY7+WFfXEKMbEzW/K5cLwanxWLloY2Xim1UyAOBQUhGwHV3NXd/6FV9mvLDQONg3vmeowDas0X2WTyei2v1byn+dRKrgkupfc1+VtWZpJJ9Vfx/utPwu6irXTOcjPaDiGwA3rEICLyS2AftjKvW9PBFVpGiZ9owDEQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733242820; c=relaxed/simple; bh=Qy+BAYcRHE2O6cAvWjZgLj0PVfvbFtLF0E0wQ3KkLmQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=R/aIDDktOsfOc8Fbwj+4q4IfV4fxM48YK9GSqYnDwIf4Y/RMcgMFlILGgaR6/EmB/n6idDkseWJjFnUlbHrSDV6KWWobtdMxEg/U1Z5H5Y9qd/Nca6BZkX6a+pwDsDiZPY/zkTLMx1MyUOg3yh2+Sz5xlemUVTwooCBH8lnBZF4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=kOFJsxDv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="kOFJsxDv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C58DC4CECF; Tue, 3 Dec 2024 16:20:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1733242820; bh=Qy+BAYcRHE2O6cAvWjZgLj0PVfvbFtLF0E0wQ3KkLmQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kOFJsxDv/bNxXo+4JozOQECQ3aJAhC5s8mMxYwZGVIwOM3XG2qIaUktictBi1g20l ik565XTYeqv+yBKbk8jhbKi4RdZPxZ6wz3wEV2w0yQ86agjlrtJFaqPuPUAED9QgLk lgXASGBM7LEKi+ns2CwTeQMZ7eO9/K7wHnTQ4RF4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Michael Grzeschik , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , v9fs@lists.linux.dev, linux-kernel@vger.kernel.org, Mirsad Todorovac , Sasha Levin Subject: [PATCH 6.12 788/826] net/9p/usbg: fix handling of the failed kzalloc() memory allocation Date: Tue, 3 Dec 2024 15:48:35 +0100 Message-ID: <20241203144814.499396037@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241203144743.428732212@linuxfoundation.org> References: <20241203144743.428732212@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mirsad Todorovac [ Upstream commit ff1060813d9347e8c45c8b8cff93a4dfdb6726ad ] On the linux-next, next-20241108 vanilla kernel, the coccinelle tool gave t= he following error report: ./net/9p/trans_usbg.c:912:5-11: ERROR: allocation function on line 911 retu= rns NULL not ERR_PTR on failure kzalloc() failure is fixed to handle the NULL return case on the memory exh= austion. Fixes: a3be076dc174d ("net/9p/usbg: Add new usb gadget function transport") Cc: Michael Grzeschik Cc: Eric Van Hensbergen Cc: Latchesar Ionkov Cc: Dominique Martinet Cc: Christian Schoenebeck Cc: v9fs@lists.linux.dev Cc: linux-kernel@vger.kernel.org Signed-off-by: Mirsad Todorovac Message-ID: <20241109211840.721226-2-mtodorovac69@gmail.com> Signed-off-by: Dominique Martinet Signed-off-by: Sasha Levin --- net/9p/trans_usbg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/9p/trans_usbg.c b/net/9p/trans_usbg.c index 975b76839dca1..6b694f117aef2 100644 --- a/net/9p/trans_usbg.c +++ b/net/9p/trans_usbg.c @@ -909,9 +909,9 @@ static struct usb_function_instance *usb9pfs_alloc_inst= ance(void) usb9pfs_opts->buflen =3D DEFAULT_BUFLEN; =20 dev =3D kzalloc(sizeof(*dev), GFP_KERNEL); - if (IS_ERR(dev)) { + if (!dev) { kfree(usb9pfs_opts); - return ERR_CAST(dev); + return ERR_PTR(-ENOMEM); } =20 usb9pfs_opts->dev =3D dev; --=20 2.43.0