From nobody Wed Sep 17 19:40:15 2025 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 BECFE1CD1F for ; Thu, 3 Jul 2025 08:47:17 +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=1751532437; cv=none; b=NQjI5QuEk4VvTpWxLuZBjmnKjPIA3AJZ+XglLII0D++/C/rhnIOHRD77AGXg5OUqmNRAsyOujpDn1XLMzLrnX+8oOBhfC4nYRvRny0Fa+G6EJuG2PxjdGAJh1SPAFNDQfEHj9Frpb09prAitvif4M2swjwaoCMyrUyW24AJRVis= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751532437; c=relaxed/simple; bh=bDMY23dA/RzUmn7QMYqs98BjpjHWDKIJzPP/SBcQxkY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BKNps3INVxwmYUfG3PZbJGzVlDPC99IBh/34863tGd4My1chqgOBkhPHbJZ+GVoiHIz44JGt9O3KAIJQZ3mF9wrOeCDP06BjEigzWN8lb9EK93ltKyqYvbSyX7tknaw3i8GE52ptSw1H3JxALvj4YexgWsC5Aon8gcHh4LGdEVI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CDxsuK/o; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CDxsuK/o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 103D1C4CEE3; Thu, 3 Jul 2025 08:47:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751532437; bh=bDMY23dA/RzUmn7QMYqs98BjpjHWDKIJzPP/SBcQxkY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CDxsuK/oVjN00TVJujPbd2ZaIjHSDeT1U/P2A95KQcmg8DDS98kCqj1nG2dpJVLxr jMPV8AzlTBfdJpdgyd4yIfBiwCpWvK6kfjAoqsvikX7eiDHtWA/3KcfOvBvaZasmW4 Z9IfLdEsORVGchzY8rY710TCoD/npCvzMs+MXsVHR5YFDvUZtOX1MkuovnF7/7Epla ICMehhVJSFEseOu+EfBKKnVK7+lx0wHu7NvR/Geem2yanufcWpkR/PKM/x3VdlEbig 1hpuBJid4kcG6iqqvBRHiUYkBpSj5Hm/NtjBD5kx9jVvzLp21WVfl65L4z5yFTlGsB wy3CNilPsUYwA== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next 2/2] Squash to "mptcp: set .splice_read" Date: Thu, 3 Jul 2025 16:47:07 +0800 Message-ID: <88ac8b73aba0ba8947cb52ea2060a6099427deaf.1751532205.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.48.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang Add NULL pointer checks. Signed-off-by: Geliang Tang --- net/ipv4/tcp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index a627e1ee5668..6fca35f3fd24 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -779,6 +779,8 @@ static int __tcp_splice_read(struct sock *sk, struct tc= p_splice_state *tss) .count =3D tss->len, }; =20 + if (unlikely(!ops || !ops->read_sock)) + return -ENOTSUPP; return INDIRECT_CALL_INET_1(ops->read_sock, tcp_read_sock, sk, &rd_desc, tcp_splice_data_recv); } --=20 2.48.1