From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 70E2D3BADA2; Tue, 21 Jul 2026 21:15:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784668508; cv=none; b=mulzQgjVcoyw6Js8tbgpC63ZKVmnRCxGfPQ4g+kwJh8vpuNSFs/03iaVim194AhmCWCIJ2kiAx4G8IKwUMJY75nKjWRYLEI+uWfP8e/wh8rspRc84ZI1SzSexK3okvRoY2cxKZ4g0U0gikxJsi/O7xZp6lMRGs7VfaQYD98nzA4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784668508; c=relaxed/simple; bh=BkxYyahXzLXJFlE5H5srgI6w8cvr9C4zOG0bPABEenI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Uz8A8fVrRf+Vszl+tJ3oFOb13PqOzqtba3N2P538/mE54YiAP31rhtZWmL/okJKaC+VPVqTRotgXduOkzecgjPt5JpeqTEpp4eA4oxGA8hXPtxtf8pMDQHJsPtqRxFc8Gt61tkPdu3bPFu8qGqV48K/uDkDGHI0eNyxE3hiJGr0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=drqPPWWF; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="drqPPWWF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D63F21F000E9; Tue, 21 Jul 2026 21:15:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784668507; bh=OXn4QqTA3sdZlswCAZzUGWzEDn5udyqxSaAQFfj6hWQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=drqPPWWFeXqrX1qAFRjlp74Le9wYU7cpWLcypdu1vX+kwVjX9pj4S7PTWIqrF5+Fp Jw+K28E7lRDVdyDTe1/iwXjzS3pXTH0v3wW4tnj1qdPgTY6Ao0uclwkU9orUuybLe1 NReozRoKliO8MFrsEEZsk0q+/7gfo56j2O6q/5vk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mikulas Patocka , Benjamin Marzinski Subject: [PATCH 6.1 0203/1067] dm-ioctl: report an error if a device has no table Date: Tue, 21 Jul 2026 17:13:24 +0200 Message-ID: <20260721152429.134970553@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152424.521567757@linuxfoundation.org> References: <20260721152424.521567757@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mikulas Patocka commit 457e32348d606a77f9b20e25e989734189834c07 upstream. When we send a message to a device that has no table, the return code was not set. The code would return "2", which is not considered a valid return value. Signed-off-by: Mikulas Patocka Cc: stable@vger.kernel.org Reviewed-by: Benjamin Marzinski Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-ioctl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1742,8 +1742,11 @@ static int target_message(struct file *f goto out_argv; table = dm_get_live_table(md, &srcu_idx); - if (!table) + if (!table) { + DMERR("The device has no table."); + r = -EINVAL; goto out_table; + } if (dm_deleting_md(md)) { r = -ENXIO;