From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f53.google.com (mail-ed1-f53.google.com [209.85.208.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B2023FBEA2 for ; Tue, 24 Mar 2026 14:09:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774361346; cv=none; b=K8DyCTeohKIXCW2d0+N1Z+uR0cA41HrC9qfO1IF53J23RRiu6PFo/tGGSkykiCoCxxD2iLJAhdroz8kl161lDzCleSbhBzoMxQqH7hPO/yrYtISSQodCqtkuuEISE6rP8mQyPT67OdwrN6Az89AY/OD3ZlEnVA8bSg1e5XbnJXQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774361346; c=relaxed/simple; bh=A5o6uolbHucdEYLXcYJ2A6R7zGGJ4jAlILqRIk16Ens=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=LgiwMBfSgEge31ROCc3PV+HpsUClAmA3lYdSpngco88ea+gepmjpxAev1motQGdrUzAHJyXfiBaVI1F7lK3KJFK8NJhAJfF0y71c6EpzNlzwfEbk1xGu204/hg0Fp5eyAdoWbQvVA8iOTLIbmUwMa8zhgCmFG4dcPn9AmfbC01E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=naulIDr7; arc=none smtp.client-ip=209.85.208.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="naulIDr7" Received: by mail-ed1-f53.google.com with SMTP id 4fb4d7f45d1cf-6611f41eebcso2067082a12.2 for ; Tue, 24 Mar 2026 07:09:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774361344; x=1774966144; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=ILCdDQNcTpH0TrgHQQt3mEXSmWmZQmeBlevvIb8uECI=; b=naulIDr7nB5o/a/TpDJE85vs43PFkOM0FACw2+BUjxSO8J4bTUNllymP9jwFxnG6Ec NMQAufEuj2KsEJfHAvP5KdkVlFQ6Yh0O8fMaEQOup1j/bIaeM1vwvVjeJa0SstOtAZLE PXZXo9pSQObT4vuM6cex38SyY8kp3amcsyxCzv57rzvtBySfsFaPwbhTbM+Y5LFpf7Kx 7DuwM98hl1Hggi4XX205BxQ2KQy6F2gbqH695yZzXG2n6FUwtXd24yKZwLF2B5ivq8FC 0ChBxmy2Ialt+XEdGq5ABIrgFuMoLD0rXrt1MDTrbaGBn21uLK/VsP+sGWsQ8WlGSZN+ KiRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774361344; x=1774966144; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ILCdDQNcTpH0TrgHQQt3mEXSmWmZQmeBlevvIb8uECI=; b=YLV8KsJNcNIxPeKs/XsEbjYTAcdNYNXpfwZDAjw3ZuoGzhHRdfm2JPtey6htnenjGO jPTQU9Mi8NIpZCnwN0s3qmOmXY3gKia4hPVfzmIpRKNygIi5FfeTjDWLnCMOFkoxK5j6 1rZZD75YX+StIN2KK8obT5KtInNzSyrBuXXlso+94Jx6d/hH4np/jXaYDssoL0G7RxJr 3xUB628asfjBDoUyAMMRCJSmQ3NxCsVSYqqwJoap+kwmtKbU5OFRnAPKIPF/JNWr1qui 3wHxNtsmdEbySPF4x3NxajNPkEe94heukRGIoBuy5lopKrjT7wV7KoCCWZlqQUjnO0FG JBow== X-Forwarded-Encrypted: i=1; AJvYcCXgWeLKLIfYM2iy6dj2brZINjeCl0p95U0eK33vv6gX61udCfs8wRfkMraKY+Zgg4YhgYEXaJw=@vger.kernel.org X-Gm-Message-State: AOJu0Yzvc9z4rxPmsga2SIlvzMLiFV6AfW6wDYY2BsJO6vg0pPEnwPuY Nv8mK3388Io2y8ZIG51s/HiQQGbZ9SoYyS1AFC4zS94AItYxCaAWr6JR X-Gm-Gg: ATEYQzy1rDcfTF+Pg1DRlQPaC3jDphxgcONRos6op1Z9U2+JOwSWZmM6oWJGLw9U5kF OVW5Fg9efsr/s876ILbbHFQz+VH5lS+OEE5AotWu3/bc8FehH3gpAQkmj9FnXeENbK3BCaV/PgS GV/QEnnUgS85RX9dVQKRQGWG0OUvwVGEq7SF02VAtLXw9w5mdy9GzHkoKb8FQ5iDgIRN6N0JL6d WDyxEJroCJREBDRZRZzeqKvCTOWhCmpJ8t40JKq5nTiRkHfAgjfIV+MR4kjKDZwVqd2L5nUqMEi HpcENDULpIVYsGQM2E5FP8oi8GER4ix2jXnL1df0qmIdaOpkGOgNKHhMuA7F+oLXxlxWFd46oNi Ua0POwA2xRjWChAUjfsFYahLiNNl90GJibVdn92uBxdNogsmXDLOeTGFWoeXg/AHuAt/G5u6nQu 3hyA== X-Received: by 2002:a05:6402:2110:b0:666:d675:e2d9 with SMTP id 4fb4d7f45d1cf-668c9c449b0mr11573060a12.23.1774361343522; Tue, 24 Mar 2026 07:09:03 -0700 (PDT) Received: from gmail.com ([2a09:bac5:4e22:270f::3e4:5]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-668cd050c4esm4731544a12.0.2026.03.24.07.09.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Mar 2026 07:09:02 -0700 (PDT) From: Qingfang Deng To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Wesley Atwell , Daniel Zahka , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net] netdevsim: fix build if SKB_EXTENSIONS=n Date: Tue, 24 Mar 2026 22:08:56 +0800 Message-ID: <20260324140857.783-1-dqfext@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit __skb_ext_put() is not declared if SKB_EXTENSIONS is not enabled, which causes a build error: drivers/net/netdevsim/netdev.c: In function 'nsim_forward_skb': drivers/net/netdevsim/netdev.c:114:25: error: implicit declaration of function '__skb_ext_put'; did you mean 'skb_ext_put'? [-Werror=implicit-function-declaration] 114 | __skb_ext_put(psp_ext); | ^~~~~~~~~~~~~ | skb_ext_put cc1: some warnings being treated as errors Add a stub to fix the build. Fixes: 7d9351435ebb ("netdevsim: drop PSP ext ref on forward failure") Signed-off-by: Qingfang Deng --- include/linux/skbuff.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 9cc98f850f1d..fbfa9852e82a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -5106,6 +5106,7 @@ static inline bool skb_has_extensions(struct sk_buff *skb) return unlikely(skb->active_extensions); } #else +static inline void __skb_ext_put(struct skb_ext *ext) {} static inline void skb_ext_put(struct sk_buff *skb) {} static inline void skb_ext_reset(struct sk_buff *skb) {} static inline void skb_ext_del(struct sk_buff *skb, int unused) {} -- 2.43.0