Received: by 2002:a05:6500:1b8f:b0:1fa:5c73:8e2d with SMTP id df15csp682215lqb; Wed, 29 May 2024 07:41:03 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCW1FFuyxCvrEasWLu5OS37/3+OW9n/BiPzywqfiWPA/GdIesdldQRRBxQYuL5ZQnSnL/BkaQGoZKwhLy8pNkOiE8HQldT75Njl6Z2iVqg== X-Google-Smtp-Source: AGHT+IGLvjdWRhK2d0FkTyvpmXuYeEKhXCVx8gpcZ3CR07Li79JsQ6e74Hyd8YB23TJVhMXHKhCH X-Received: by 2002:a17:903:8c4:b0:1e7:eeb3:e295 with SMTP id d9443c01a7336-1f4499222bemr168531175ad.69.1716993663221; Wed, 29 May 2024 07:41:03 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1716993663; cv=pass; d=google.com; s=arc-20160816; b=EV1NPKW0yqFMiRNNdKK34uYPy6J27ujkSQy5QAaWosgCcdTPSDj4DekgwRiQ2ByDzz TmoDtScTBHSDaMnlfHIAE+JPjMMMBUSLuwhVpRCsVQ0A47eWB9yOC1Lzln9/ozT7OZP1 z67x1CwenMX/720AltduhuUiFIW9uSrHVo0u7NGEhBJ9VjhqTN4qON9ow8Ype2ct5Q1a EzNXhuNj7ypk3ybytlnBUwICQhEwvsCAxzx4ynj9/nDEVjVrodny29ULCIXCpPIMI5LN 6h5B8PUqb0QKRKZLcsOx85qqaDBXauACeFKdgFrqAN70y5ofrP5R/D92okUjVCwNSoeF I7Sg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:message-id:date:references :in-reply-to:subject:cc:to:from:dkim-signature; bh=CaOh1l0Lu41LPYOrXz2nXavJQHgEuj8sHreCoqbxNhY=; fh=/dqR3Aq0AfgJYuDbGHp6A0VTbA6M9QAvVQE95c0iD6E=; b=UiWJVbwuf+6mKiUkSp4rhYZtx2NrOMQKqOzHO8csuYmnMlz1SOe433XlEgBF/2BYeN RDQFp53gQS3AIldG9ZZqrfBGKHNqucNezIJZjfvCVcN7/Kl8V6EH+BFy3NohtPc4/QwK yoWnDoJ8HIiWhh/e4hpgL6M17n4y4Dj8Ujmkm/UCsvPWidMnWJDffPLU79Mn/ERnRZ8W Y21qhs+R1vcmhEhnSuBwg62nxMYLPimlUqnAv0EhN6Kb2Obk7DGisJPSpvYQp07Sc88O GY1Mi+XRLGr6Fl/WhLwuFfAEuxBBNkUe+Nhwrl1ipsOntMabAAhvruAP9rV4BBcFGT39 5mEA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=FzEFmOaG; arc=pass (i=1 spf=pass spfdomain=redhat.com dkim=pass dkdomain=redhat.com dmarc=pass fromdomain=redhat.com); spf=pass (google.com: domain of linux-kernel+bounces-194262-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-194262-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [147.75.48.161]) by mx.google.com with ESMTPS id d9443c01a7336-1f44c9b8802si101590795ad.472.2024.05.29.07.41.02 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 May 2024 07:41:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-194262-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=FzEFmOaG; arc=pass (i=1 spf=pass spfdomain=redhat.com dkim=pass dkdomain=redhat.com dmarc=pass fromdomain=redhat.com); spf=pass (google.com: domain of linux-kernel+bounces-194262-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-194262-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 53D10B23724 for ; Wed, 29 May 2024 14:24:57 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AA2D21586CC; Wed, 29 May 2024 14:24:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FzEFmOaG" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 AEDFD157E9D for ; Wed, 29 May 2024 14:24:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716992680; cv=none; b=B2SMiJiqxNf8Oy/u9fsq04qo4zqOGM958U9xF8P5Tgy5scaqEZD5APQTSP8pQ5SNO1kONWD13r2Qa/pbMruHHT2VpCFqp2IPLJZcFT4P97+N5WPTUjkXtFXSrsLFFdVn3CWXTleZUQH7uBhsCEShYSSfW721WOisJB1LCBFarNA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716992680; c=relaxed/simple; bh=JAxbuHoQBZ49w41Mn9Exw5TKZvwkktDZUEKmSaoKOFo=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=Lr/eq6iRnEXIs/Wz9tn5Ay9YNvkO8K7EFO3wt9EdrFIqi2nS7r41N2u2A1cQoPuH+rihoK8xT7+lRjy1DHSTUmQ1VFw5gMQ1y2Q7Bekk/JbAAhL/nDDAiLuS4mXutuUR2X2KXOki2xftQ/TO0p5lZbILiL+ibjBsv0NTFhX322k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=FzEFmOaG; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1716992677; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CaOh1l0Lu41LPYOrXz2nXavJQHgEuj8sHreCoqbxNhY=; b=FzEFmOaGCXkqxhm7fCBba5UnkYALl43qLXF+V8HJ2UrDth5YQTYjXuQolAMSVYHjjTTHaT w3yvTxaAVCZ0LoaeH5SrWYNou439nfpg+/O8y+GsWa1CmeFvXmyMx/mYD6nNL+ZxhMTGpe tTr7q1bivPAkSYBEaoU4aUHX4P1a7PI= Received: from mail-ej1-f70.google.com (mail-ej1-f70.google.com [209.85.218.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-451-rThtDyCGNAuuVKpeH9PlFQ-1; Wed, 29 May 2024 10:24:36 -0400 X-MC-Unique: rThtDyCGNAuuVKpeH9PlFQ-1 Received: by mail-ej1-f70.google.com with SMTP id a640c23a62f3a-a659c998bc9so25459466b.1 for ; Wed, 29 May 2024 07:24:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716992675; x=1717597475; h=content-transfer-encoding:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CaOh1l0Lu41LPYOrXz2nXavJQHgEuj8sHreCoqbxNhY=; b=v34gNlij+lvcjNBCMVK3E8f16grVjfGN/gAiLAfs0Q7Pu7hgXZE8CxYe5x9eJuoCNE DFU8ewh7gzkgwzQPpDmaxAIEowHpBeBfRFSeVZgwXVUPh664x2YfTJmgjrZKQvfKGDd7 k0RdSzuyyZoQV+2m0X6mudRRoRGehe1D1PwuIXdbi6zR4Bwdln0c4tZ0TbI3XEUkCtOV EEdYjJnNAPxUHXPax1ajh30M+qaC8NGdqt4XlRwVubn3wNumMRdOoj7nc4p3h41/V+fI tN7+gDaCxZg9vdjLRmX7IHfaRE0epe6QnQfRNqEK3Rbd3SS8ViadkOQOAb5bpc4l4j3G GmRQ== X-Forwarded-Encrypted: i=1; AJvYcCWVHjiy8fSO7M4YeMtTgm9fxlpLpnhEuOl6qODGN4FYqIkfsRhHEmcbjOGqyUVF/ZEFKda1DLgR4muLFGWi+EGmCPmGsKIBwJDRDRyR X-Gm-Message-State: AOJu0Yzdlq6yriio9gWTLor0bzYoTGjq26+mAknJ4/yj2tAoF9KV2Rrx WIo+3YwhwppvagA5YI9PVEu0ixrmSLmo5wdMlOJsA9pKc27fK+UZlq9bfaY5EhVBTxWCO9Tum0E 4ry7FvABGW/rianz45bsltdkr31YqyAziWQZ7ZnCmL6ocWptLYD8GK9wTe1mF6g== X-Received: by 2002:a17:906:413:b0:a63:4e95:5639 with SMTP id a640c23a62f3a-a634e95579dmr280209066b.47.1716992675171; Wed, 29 May 2024 07:24:35 -0700 (PDT) X-Received: by 2002:a17:906:413:b0:a63:4e95:5639 with SMTP id a640c23a62f3a-a634e95579dmr280206566b.47.1716992674677; Wed, 29 May 2024 07:24:34 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([45.145.92.2]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a626c8176e1sm715455666b.8.2024.05.29.07.24.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 May 2024 07:24:34 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id EFBDF12F7EDE; Wed, 29 May 2024 16:24:33 +0200 (CEST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Thorsten Blum , Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, Thorsten Blum Subject: Re: [PATCH] bpf, devmap: Remove unnecessary if check in for loop In-Reply-To: <20240529101900.103913-2-thorsten.blum@toblux.com> References: <20240529101900.103913-2-thorsten.blum@toblux.com> X-Clacks-Overhead: GNU Terry Pratchett Date: Wed, 29 May 2024 16:24:33 +0200 Message-ID: <874jaghf1a.fsf@toke.dk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Thorsten Blum writes: > The iterator variable dst cannot be NULL and the if check can be > removed. > > Remove it and fix the following Coccinelle/coccicheck warning reported > by itnull.cocci: > > ERROR: iterator variable bound on line 762 cannot be NULL > > Signed-off-by: Thorsten Blum Reviewed-by: Toke H=C3=B8iland-J=C3=B8rgensen