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 F085F1A0BFD; Sun, 7 Sep 2025 20:33:33 +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=1757277214; cv=none; b=HVaf4aOpEtOuM4h/w6LOtTAWDWYnMMovByk2sziqNx353GSHCnEGoF1m7rbJ7alFWctuHiOORYO8/hPOyJ3Xxi+R1VksK+DoW3YINxehhpgi6JifaRNNuc+RGs/SBgvT5gG1v2RkF6f+KmMLTmij5/6flhbVctuZZTio/tkaWDo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757277214; c=relaxed/simple; bh=wrFCrBoYG6pryKCORuPjJRLfkdlQaRNMoeBvaHfHA5M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iv48D9gQScNl48ru2IolCGN7CK7usx3WNxRwA8VWAPZ/dRMhLTOs9zOeYigv9s1iohhvpCQZIXkpgTcJ37+cC83r42eriw2WGMRtqdZT/IL9seVgYl0CXo+zr750+afnWg2EBpHXplSluGZmlWNhl1POH/hlVMCU+kwxzDtqfw4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fny99jMj; 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="fny99jMj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 700C9C4CEF0; Sun, 7 Sep 2025 20:33:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1757277213; bh=wrFCrBoYG6pryKCORuPjJRLfkdlQaRNMoeBvaHfHA5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fny99jMj9TlkCc7O1lAHZ12UZZqDmZrvfB4UmBuyCybo+dK5wXyQ4N3zNSLbtSSCX pUa8k00/U8oRYDwUjsyoY6KVIJGjWCRnJHfq+L3amUzPQwUXB1fW2NtrlF77W1mqYh aCxQULHG03SOJaB3ZAyxAZoRDMP51n4+nTaaYLZU= 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 6.12 084/175] mctp: return -ENOPROTOOPT for unknown getsockopt options Date: Sun, 7 Sep 2025 21:57:59 +0200 Message-ID: <20250907195616.824062477@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250907195614.892725141@linuxfoundation.org> References: <20250907195614.892725141@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 6.12-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 70aeebfc4182e..9a552569143bb 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