From mboxrd@z Thu Jan 1 00:00:00 1970 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 A886F20E00B; Sun, 7 Sep 2025 20:41:08 +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=1757277668; cv=none; b=p7GiBbCKfPf8I7Z+zSCnA9f6hQ+tLVZVdf5z9MjcG+x48MukcX0eBN9JQQ0HziZVz8nggogChs9zh3bsYBTQTgoMT1df5ivBSLBbL7KJmRh1hMRC9lvYBNMuR4REDFMF6fUPRGC3o178b6pFNnVtTZtlVpw3v4o6H9xJrfOIrSo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757277668; c=relaxed/simple; bh=OKiN3jqzfSyA1OoeSG1OoIu5XsHmrKNb02hf4gWTX5s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IbpG/p/DD++YGSpA1UUU685JR7biCW9qlXNvh9FIDI0icn6ZINOnQdVGnhIkT7IJ+taOr54pqHU8/ApzZyJ8A8s01zdgrcWIAFi/IXgZItMnDFWwmQX8KVAgrDXOGHPDbztlGm4+TfqAseK5v6K4yBLJNCELnMCAJ8MBU953BI8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=psDtDgz7; 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="psDtDgz7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 28564C4CEF0; Sun, 7 Sep 2025 20:41:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1757277668; bh=OKiN3jqzfSyA1OoeSG1OoIu5XsHmrKNb02hf4gWTX5s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=psDtDgz7QBF/3HWKEmheLLUGK68xYSAgJy5/qRz14+nloNviE8+ZgrUQ0XY6g/UfM nsXe8EILtkOrzfqTzaVZzoFWUJiTYq1jzC+U/aV0OdFYoWtt0PFb7CZo0O6FIXhsai +smKXwOCkYiEDcqoSZNrU1x6PLNBiixB5910K8/4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alok Tiwari , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.16 087/183] mctp: return -ENOPROTOOPT for unknown getsockopt options Date: Sun, 7 Sep 2025 21:58:34 +0200 Message-ID: <20250907195617.858715067@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250907195615.802693401@linuxfoundation.org> References: <20250907195615.802693401@linuxfoundation.org> User-Agent: quilt/0.68 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 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alok Tiwari [ Upstream commit a125c8fb9ddbcb0602103a50727a476fd30dec01 ] In mctp_getsockopt(), unrecognized options currently return -EINVAL. In contrast, mctp_setsockopt() returns -ENOPROTOOPT for unknown options. Update mctp_getsockopt() to also return -ENOPROTOOPT for unknown options. This aligns the behavior of getsockopt() and setsockopt(), and matches the standard kernel socket API convention for handling unsupported options. Fixes: 99ce45d5e7db ("mctp: Implement extended addressing") Signed-off-by: Alok Tiwari Link: https://patch.msgid.link/20250902102059.1370008-1-alok.a.tiwari@oracle.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/mctp/af_mctp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c index 9d5db3feedec5..4dee06171361e 100644 --- a/net/mctp/af_mctp.c +++ b/net/mctp/af_mctp.c @@ -346,7 +346,7 @@ static int mctp_getsockopt(struct socket *sock, int level, int optname, return 0; } - return -EINVAL; + return -ENOPROTOOPT; } /* helpers for reading/writing the tag ioc, handling compatibility across the -- 2.50.1