From nobody Sun Dec 14 02:01:16 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9381BC38A02 for ; Mon, 31 Oct 2022 11:44:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231143AbiJaLox (ORCPT ); Mon, 31 Oct 2022 07:44:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231137AbiJaLof (ORCPT ); Mon, 31 Oct 2022 07:44:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4BEB6F02C; Mon, 31 Oct 2022 04:44:31 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 03E6CB815F0; Mon, 31 Oct 2022 11:44:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7877CC433D6; Mon, 31 Oct 2022 11:44:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667216668; bh=nToB1GC3IZYvNqBjpUGx00XoAWJDS1KYM7LwXh0TTXQ=; h=From:To:Cc:Subject:Date:From; b=XHOKN6EiXg24tI+YL5fNUQoIwWC8ToQ9v5XYBhYzBFQ5dXVhDq7TedJ+jpHoKInF1 hu+XjGGHhJqDa7DBprj1D+AkyhtMrccFKhSLEQdt9WHlOb5NlNvYD+bJzuIGFeJmDC TBiuEha58nxC2+9v3RmYIlzY84i7N1IHV0XVw/NvUTS3+9pDpTFtDmoKokY5bDBGIi ANsVKljgQMZPEniEIw+BzBkMhWbUb824VrBHjga5LWskEW22rK+TZaZ++cCDkTfyPg wxGMYx2Dld/7znmv+uTqrbYdIsIGQvjmzyMSvVwPeRjEER0GFJ1eBb9Du7blIB5PhG fEChIgrGSLo0Q== From: "Jiri Slaby (SUSE)" To: Jason@zx2c4.com Cc: linux-kernel@vger.kernel.org, "Jiri Slaby (SUSE)" , Martin Liska , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , wireguard@lists.zx2c4.com, netdev@vger.kernel.org Subject: [PATCH] wireguard (gcc13): cast enum limits members to int in prints Date: Mon, 31 Oct 2022 12:44:24 +0100 Message-Id: <20221031114424.10438-1-jirislaby@kernel.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Since gcc13, each member of an enum has the same type as the enum [1]. And that is inherited from its members. Provided "REKEY_AFTER_MESSAGES =3D 1ULL << 60", the named type is unsigned long. This generates warnings with gcc-13: error: format '%d' expects argument of type 'int', but argument 6 has typ= e 'long unsigned int' Cast the enum members to int when printing them. Alternatively, we can cast it to ulong (to silence gcc < 12) and use %lu. Alternatively, we can move REKEY_AFTER_MESSAGES away from the enum. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D36113 Cc: Martin Liska Cc: "Jason A. Donenfeld" Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: wireguard@lists.zx2c4.com Cc: netdev@vger.kernel.org Signed-off-by: Jiri Slaby (SUSE) --- drivers/net/wireguard/timers.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireguard/timers.c b/drivers/net/wireguard/timers.c index b5706b6718b1..51081ba93609 100644 --- a/drivers/net/wireguard/timers.c +++ b/drivers/net/wireguard/timers.c @@ -46,7 +46,7 @@ static void wg_expired_retransmit_handshake(struct timer_= list *timer) if (peer->timer_handshake_attempts > MAX_TIMER_HANDSHAKES) { pr_debug("%s: Handshake for peer %llu (%pISpfsc) did not complete after = %d attempts, giving up\n", peer->device->dev->name, peer->internal_id, - &peer->endpoint.addr, MAX_TIMER_HANDSHAKES + 2); + &peer->endpoint.addr, (int)MAX_TIMER_HANDSHAKES + 2); =20 del_timer(&peer->timer_send_keepalive); /* We drop all packets without a keypair and don't try again, @@ -64,7 +64,7 @@ static void wg_expired_retransmit_handshake(struct timer_= list *timer) ++peer->timer_handshake_attempts; pr_debug("%s: Handshake for peer %llu (%pISpfsc) did not complete after = %d seconds, retrying (try %d)\n", peer->device->dev->name, peer->internal_id, - &peer->endpoint.addr, REKEY_TIMEOUT, + &peer->endpoint.addr, (int)REKEY_TIMEOUT, peer->timer_handshake_attempts + 1); =20 /* We clear the endpoint address src address, in case this is @@ -94,7 +94,8 @@ static void wg_expired_new_handshake(struct timer_list *t= imer) =20 pr_debug("%s: Retrying handshake with peer %llu (%pISpfsc) because we sto= pped hearing back after %d seconds\n", peer->device->dev->name, peer->internal_id, - &peer->endpoint.addr, KEEPALIVE_TIMEOUT + REKEY_TIMEOUT); + &peer->endpoint.addr, + (int)(KEEPALIVE_TIMEOUT + REKEY_TIMEOUT)); /* We clear the endpoint address src address, in case this is the cause * of trouble. */ @@ -126,7 +127,7 @@ static void wg_queued_expired_zero_key_material(struct = work_struct *work) =20 pr_debug("%s: Zeroing out all keys for peer %llu (%pISpfsc), since we hav= en't received a new one in %d seconds\n", peer->device->dev->name, peer->internal_id, - &peer->endpoint.addr, REJECT_AFTER_TIME * 3); + &peer->endpoint.addr, (int)REJECT_AFTER_TIME * 3); wg_noise_handshake_clear(&peer->handshake); wg_noise_keypairs_clear(&peer->keypairs); wg_peer_put(peer); --=20 2.38.1