From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=61.247.196.152 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792865066; b=xrIfom/w06LDLaYScpt8AzXDI62ScG/+8mpg4UFq+MVoVUAQgZymAbWy9oDKZitfLKzY lkgwPKezU0aS32amoNP3HICdBXKgPzlbC/Zcm8gzm8m1lqv02J+VA3iJHiuzyN+JozAkM e3yCTH5dGDDHHgBO0yC9XTwd8gDOm/wW2aUnBG0eifLPeZsXGXxyZtkmgRDxPaNZyG9Ju lcCybCo4bnkKtsETodLcJ/yw7tECuHmf7TkBzd0E05HH8uv3B5foLI7QKPgK2Faiv23rc AgfC/pRlSu2xl1ci8Mo0e6LsgJY+N4SF1evhxrHoieMtpKQoOtvuNNtSOSSupgi4C0w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792865066; h=DMARC-Filter:X-Originating-IP:Received:DKIM-Signature:X-Session-ID: X-Originating-IP:X-Works-Send-Opt:X-Works-Smtp-Source:Received:From: To:Cc:Subject:Date:Message-Id:X-Mailer:MIME-Version: Content-Transfer-Encoding; bh=6Yt91aM3J/GXU3w8IvgaUYZpRjjeg9TYDTr4NbuzEgU=; b=pRheuz936zdofbBKBkjrWvZdT5KsJopOajCTAorAYhk0Qgz0lN4PF2fx3Gz2OGBg9kak WNPJ/d0N0AIqoAAz0KIqjReDDA/vRPLuikX6SV19sn6ggOt4i3vCbYoFhAagCmBE3uiZ2 qwUQ3J70as8kvIE0gVAijqSKbajowXRpuzXf80A7BfSBa277SYMrNW9lc/8mfiZgMDPyY QhYIxYYGX+dzZWRCe5PmpuEuQwVCdozpJOHPImkeIbBrEfihV3TZlPNj6XcVnN/ecJ3OG 5AEJ+EnerA68cKInTcp3XeHFjg5NwknIGeHZCQPfc4QCz2mJTUPiUZB089hfSER/jRg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=naver.com; spf=pass smtp.mailfrom=naver.com; dkim=pass header.d=naver.com header.i=@naver.com header.a=rsa-sha256 header.s=s20171208 header.b=XHvXZhRj; arc=none smtp.remote-ip=61.247.196.152 Received: from mvsmtppost09.nm.naver.com (mvsmtppost09.nm.naver.com [61.247.196.152]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E703606A31A for ; Sat, 24 Oct 2026 18:04:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 8E703606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=naver.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=naver.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=naver.com header.i=@naver.com header.a=rsa-sha256 header.s=s20171208 header.b=XHvXZhRj Received: from cvsendbo008.nm ([10.112.24.37]) by mvsmtppost09.nm.naver.com with ESMTP id mNyClA1NRcqB1oZGdMMIwA for ; Sat, 24 Oct 2026 18:04:17 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=naver.com; s=s20171208; t=1792865057; bh=/8/K7D/IBzyjOkGeYMUmyaSHOLRmctpHvDsb8sAVmMo=; h=From:To:Subject:Date:Message-Id:From:Subject:Feedback-ID: X-Works-Security; b=XHvXZhRjxe87NSa8/loLrNBN1KbCLr7LSaORqCGaJ8zqIeOrJPYFuLMlIkOxmHaTJ Ah2yiR5h+hjqbDlaAqz8OgvgMvnLGlfbPghL6MyChLv8GYuWJn6aGaBS65rSCDkExP vozU7VW8GLvsxF8DucVnGUiBBfnpyBXGD7+27OT8lzd0H21d//4DKWeasKtxB8GFs0 /6YlXQFgNP7GLaVesu2SS3yDeCUxdmMdwpt892uKECcao41FG8/0/KxLCJLHr1QOrl nPNJ/aRXVcfS5vmMxghH87gIXksRVKIFK0OKm+0p1vol5CuIa3heySnHZUDEZNQ33o sZyLNCiPZOGCw== X-Session-ID: UQJepegCQTmv6mqF-p3e8w X-Works-Send-Opt: vf+5b4RCjHmZjAJYKouwjAuwKAvwKqgZFopYjAJYKg== X-Works-Smtp-Source: QqYqaAUlFqJZ+HmrFxMZ+6E= Received: from localhost.localdomain ([183.100.208.186]) by cvnsmtp001.nm.naver.com with ESMTP id UQJepegCQTmv6mqF-p3e8w for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Sat, 24 Oct 2026 18:04:16 -0000 From: Haon KIM To: dsahern@kernel.org Cc: netdev@vger.kernel.org, Haon KIM Subject: [PATCH] net: l3mdev: Set OIF flag only when an L3 master exists Date: Sun, 25 Oct 2026 02:57:46 +0900 Message-Id: <20261024175746.2341-1-akrn112@naver.com> X-Mailer: git-send-email 2.37.0.windows.1 X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit l3mdev_master_ifindex_rcu() may return 0 when the device is not associated with an L3 master. In that case, l3mdev_update_flow() currently sets FLOWI_FLAG_L3MDEV_OIF even though flowi_l3mdev remains 0. Set FLOWI_FLAG_L3MDEV_OIF only when a non-zero L3 master ifindex is returned, keeping the flag consistent with flowi_l3mdev. Signed-off-by: Haon KIM --- net/l3mdev/l3mdev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c index 5432a5f2dfc8..92b48d6a4301 100644 --- a/net/l3mdev/l3mdev.c +++ b/net/l3mdev/l3mdev.c @@ -279,7 +279,8 @@ void l3mdev_update_flow(struct net *net, struct flowi *fl) if (dev) { if (!fl->flowi_l3mdev) { fl->flowi_l3mdev = l3mdev_master_ifindex_rcu(dev); - fl->flowi_flags |= FLOWI_FLAG_L3MDEV_OIF; + if (fl->flowi_l3mdev) + fl->flowi_flags |= FLOWI_FLAG_L3MDEV_OIF; } /* oif set to L3mdev directs lookup to its table; -- 2.37.0