From nobody Sat May 18 06:31:27 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EE4BC433EF for ; Thu, 17 Mar 2022 23:46:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230177AbiCQXsI (ORCPT ); Thu, 17 Mar 2022 19:48:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229776AbiCQXsH (ORCPT ); Thu, 17 Mar 2022 19:48:07 -0400 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8FA2226133B; Thu, 17 Mar 2022 16:46:49 -0700 (PDT) Received: by mail-wr1-x42e.google.com with SMTP id r10so9607132wrp.3; Thu, 17 Mar 2022 16:46:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=44jSVu9ViGX65V2KV4sJoKN91g8S2sbZ550L2N5DUJ4=; b=l/0VWzdsq+0tapKmp9GM2+I2R4GUGVKdkGWYWuAwvHzKLPI3p5TshglsScGVDa6NFW DaUSL0XENlAwNhjU9nCyUGZAAKbuLTE5fPZkTuqREBsP1ImFELxbCE3lmp3Tj4nI/jZy 9MwmBjSZpXSmwI4DVJZDYjtVulXynQRqIUs3I7K0QsW9YAidOZSK0Tv9Ac8x3k42NYBa rI6tO6VGSjlkuhdZoQ0C6BU3ba7i/97qKi1VIMAusTrJVubzZfr5sUa8Dru53eP9ebuz wQGxh7PiQr4lqSAjy9LGqm91YM5rAGN3LoMMnC2WtFXix6zXjBdx0Wr+n4qempHJNmVk hZKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=44jSVu9ViGX65V2KV4sJoKN91g8S2sbZ550L2N5DUJ4=; b=sPUOJTii9xSjQLTLtiE9pAUEoyRZQ97p9muRYglQ8XeP08eSzXK+xguUdunXn0d7WS wVpb8MrYYI+0t75LPg1n+CtVhWjapuI9RQSkFske7aIIRvBsUNPwviB8wVBSD8ppXr+1 rOMoFfV9wCA7CuEHjwAtVOClA4K5EGYlkgb+qpWWqSH7NY3Do9olkGBqI5DgyNBrpn94 L8ASrm77fkUD7j4pyCEg8BCe27j+7/pA8vzYasdRCeBwuEndc5JvLqztBoD2u/OfvXtz JIw+rGwLfXl6d4BXPC7gYH920dFy5UMh8dFAeBJ/1ZR/tQoOtYRP37mohKxm2SoTOzXA R/kg== X-Gm-Message-State: AOAM533QnNUUji0luwbIBmqt0dLmZ8/kWiHDtEizzgV7z3a8Lr0MKx2m cUDK0wkJNEdEa8kRwzXm+oY= X-Google-Smtp-Source: ABdhPJxdH/WN2xf224PSCmdD+V5oRw0iLxFKpaeNeTNgCZ9Kx3jYO0+gAPl3kcA/9A7EbQbNAzpyng== X-Received: by 2002:adf:efd2:0:b0:203:db42:c56c with SMTP id i18-20020adfefd2000000b00203db42c56cmr5842974wrp.698.1647560808002; Thu, 17 Mar 2022 16:46:48 -0700 (PDT) Received: from localhost (cpc154979-craw9-2-0-cust193.16-3.cable.virginm.net. [80.193.200.194]) by smtp.gmail.com with ESMTPSA id v5-20020adfe4c5000000b001edc1e5053esm4860565wrm.82.2022.03.17.16.46.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Mar 2022 16:46:47 -0700 (PDT) From: Colin Ian King To: =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Jens Axboe , xen-devel@lists.xenproject.org, linux-block@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH] xen-blkback: remove redundant assignment to variable i Date: Thu, 17 Mar 2022 23:46:46 +0000 Message-Id: <20220317234646.78158-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Variable i is being assigned a value that is never read, it is being re-assigned later in a for-loop. The assignment is redundant and can be removed. Cleans up clang scan build warning: drivers/block/xen-blkback/blkback.c:934:14: warning: Although the value stored to 'i' is used in the enclosing expression, the value is never actually read from 'i' [deadcode.DeadStores] Signed-off-by: Colin Ian King Acked-by: Roger Pau Monn=C3=A9 Reviewed-by: Chaitanya Kulkarni --- drivers/block/xen-blkback/blkback.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkbac= k/blkback.c index d1e26461a64e..de42458195bc 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -931,7 +931,7 @@ static int xen_blkbk_parse_indirect(struct blkif_reques= t *req, if (rc) goto unmap; =20 - for (n =3D 0, i =3D 0; n < nseg; n++) { + for (n =3D 0; n < nseg; n++) { uint8_t first_sect, last_sect; =20 if ((n % SEGS_PER_INDIRECT_FRAME) =3D=3D 0) { --=20 2.35.1