From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f180.google.com (mail-lj1-f180.google.com [209.85.208.180]) (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 02CF76D528 for ; Fri, 1 Mar 2024 15:29:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709306999; cv=none; b=VYNTYONpwjQ74SWeC/uTknDDnCdqtWNF3wN7myVZl2ZzvBGJxhZ/chLtL9opjjfRSZ1N7e/lqpDoPRX/44zbSLErzvOru8MQMPVgmi2P5d8sb8goYoU/hT07fpOuvVtgoD08WBAHIyb7CeAzuRRqz09/nDLK16NadKPRdQtyIdA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709306999; c=relaxed/simple; bh=zh1tMmI9C8esm9t8S5ODtHnOIgNunq7h2YrtfEFvx/Y=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=jau09z1RQL9UgFA52xxbzLADu2wb3PJgSSC8CLSO5yTKtqQ2L4/ItpueXhG/o4roaxIyXL5Yx1bfhPdWo7DEEsoui/yEzjnhD3psZkaEEJcAfUVyKtUX/GlDq+F8CDG5Z6++2PhOTp4cL+QHz+u7gUAwykoM5SXmRJhdsjQ/lZM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=iN+Gj8BL; arc=none smtp.client-ip=209.85.208.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="iN+Gj8BL" Received: by mail-lj1-f180.google.com with SMTP id 38308e7fff4ca-2d204e102a9so22257601fa.0 for ; Fri, 01 Mar 2024 07:29:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1709306996; x=1709911796; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:message-id:subject:cc :to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=LwF1vEHHtNcLEL22JU7CbamIfjcY0v8w9f8KAiAGRpo=; b=iN+Gj8BLG7HaTyiBwK6YrhMrrIGiUH1KBbRM+WYLGIStLQUsdJiiDT8mAnZhyYDe0i c9M/sZSyJC3TxXEIAeRBVuAiHTKg6msl4k8SgObymvgGho+tdkul7JSAZm/ZYzpidVMj bFm3yJByorJR58EPp23wAxNsFc+DU7GFkuwsCqsUh+wbHJGPOINsql66cjrGOomlD5fw FSgwzISi1HG0hbsWJ2v+R2XowxCCzXND8GW3lWvgMt7eAH5bjqfc1XQXD0f37mVJpHIB 1ktYZPekGQZubSeNJiS8/IESaCq6PCGWpPnL9Ib2y9V6zRIToV1fOpdDRSbUsDMLAjY/ HVFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709306996; x=1709911796; h=in-reply-to:content-disposition:mime-version:message-id:subject:cc :to:from:date:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=LwF1vEHHtNcLEL22JU7CbamIfjcY0v8w9f8KAiAGRpo=; b=ujnYhz7FFdZDnM6z67OxA9sdfp7+9ODRxKkP30q9v7i42XDs7N9NEdBiP5RbLG/Ug/ elI4xoyTqF7pLVuMEIYY5XBlTXM/xPW0m/W+vmf+rKe0Xshx/y3PMhBvRcsxxnUISx+x kkMCYxqFwm9Vs92lTNC9bo5qDw3wcH1jlrw62x/dujrddydIZeZOGIiFCG/FBFBBaOxa 8KEsiu+Juw+X0SvIf72YJWXY8liA1sK5L48JjLQMxLcg8Y6i4/snfi8Q3/z6Ma8k9Uk/ T6tcz5/fJbnnbgHM+lb9LswyqyYj9Bvfb4+TRHUVt0PlmuAJKtaqGNIv7+5XBVfSYcBW QH3A== X-Forwarded-Encrypted: i=1; AJvYcCXskKwIQhrxwtaY4M4pejzozD95z/fXYIsERNWp5dOhkqI5Eu0JRJGDY6IBBZBJYGKPdZKrybQIXr+rgGfEf2J9zZPn3yc9Uwo= X-Gm-Message-State: AOJu0YxA+5fS4LE3SfRhOVV0CWD9icgfC+LVTrot9acUCLDvrkr4WLsM 8X/JGhIVXzSOrpdDhL5rJM2hrUdv1fh/Y5Zgh8yARUCmCQGznREXQtipnuvlniI= X-Google-Smtp-Source: AGHT+IF+EdHbA/WMtHbEnW0MVWTX37KjpNSG/+lUHF/XBnrsQVeoc3UrADapsOV5vobHj+kpeNESiw== X-Received: by 2002:a2e:2404:0:b0:2d2:935a:7a3d with SMTP id k4-20020a2e2404000000b002d2935a7a3dmr1312182ljk.34.1709306996297; Fri, 01 Mar 2024 07:29:56 -0800 (PST) Received: from localhost ([102.222.70.76]) by smtp.gmail.com with ESMTPSA id g8-20020a05600c310800b00412b0ef22basm5835531wmo.10.2024.03.01.07.29.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Mar 2024 07:29:56 -0800 (PST) Date: Fri, 1 Mar 2024 18:29:52 +0300 From: Dan Carpenter To: Jens Axboe Cc: Pavel Begunkov , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH 2/2] io_uring/net: remove unnecessary check Message-ID: <3d17a814-2300-4902-8b2c-2a73c0e9bfc4@moroto.mountain> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7f5d7887-f76e-4e68-98c2-894bfedbf292@moroto.mountain> X-Mailer: git-send-email haha only kidding "namelen" is type size_t so it can't be negative. Signed-off-by: Dan Carpenter --- io_uring/net.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/io_uring/net.c b/io_uring/net.c index da257bf429d5..04a7426c80d2 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -557,8 +557,6 @@ static int io_recvmsg_mshot_prep(struct io_kiocb *req, (REQ_F_APOLL_MULTISHOT|REQ_F_BUFFER_SELECT)) { int hdr; - if (unlikely(namelen < 0)) - return -EOVERFLOW; if (check_add_overflow(sizeof(struct io_uring_recvmsg_out), namelen, &hdr)) return -EOVERFLOW; -- 2.43.0