From patchwork Fri Dec 11 10:47:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunyan Zhang X-Patchwork-Id: 58268 Delivered-To: patch@linaro.org Received: by 10.112.157.166 with SMTP id wn6csp48352lbb; Fri, 11 Dec 2015 02:49:12 -0800 (PST) X-Received: by 10.66.102.4 with SMTP id fk4mr24263598pab.85.1449830952612; Fri, 11 Dec 2015 02:49:12 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v70si513010pfi.99.2015.12.11.02.49.12; Fri, 11 Dec 2015 02:49:12 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dkim=neutral (body hash did not verify) header.i=@linaro-org.20150623.gappssmtp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754887AbbLKKtH (ORCPT + 28 others); Fri, 11 Dec 2015 05:49:07 -0500 Received: from mail-pf0-f182.google.com ([209.85.192.182]:33506 "EHLO mail-pf0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751271AbbLKKtE (ORCPT ); Fri, 11 Dec 2015 05:49:04 -0500 Received: by pfnn128 with SMTP id n128so64566262pfn.0 for ; Fri, 11 Dec 2015 02:49:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=cEqJDRFwdp+6ZeZoMfh2G8lIiqjz8lRLWKIZHAe7NzE=; b=PN5wZSARUyumlZSG9kiMaE+YFUj5FSS+AtG01vWulsPZ2v2wsiBQw5MBEQbIGG2jRU VbfjMSntMsX2N45FD6LfMNqoxhmBkEHFJSNorpbBhgjQQK+CSvU5kRFLu19P3xxijFeR OQUC8clDRqwz/ZVui0+VEfBjgnBi87/P9xO0qbDjg1vHMDLqNTTU8tucliM0JRYSQ6Pe ik8JYN/I/2m0WUiU1vcMZG/PFKHSfNEVAm8nLlsVLZfcYH9zlBXcmM67UrKwyGODI4Te k5tnaqfKaxSHfxvLP7CdUlToIljTSp9I7D4iRf94lY2tcFJJ/7RfXOSWpfWJ2gZXUbxJ vK/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=cEqJDRFwdp+6ZeZoMfh2G8lIiqjz8lRLWKIZHAe7NzE=; b=Ar1pnGfxNL/omP64a00sSufJWKhwhJ7DC33FHLpF4rNISQhwOcLLFkfFjgd4Sc9nuK 1iCJr3y0Mn4XnqI5/oT5CaaSRmfva/gp46wBYlMzZyTe2L0BNcnYgeeRU+2eB4gBpiKc Za/fCSuGlZ982bg1SzRzpemx3S84DjBXipNOP65/Mur90THgBPwbs6ZVn8nHVvg7e0/j MNYgdhppEPJMC0rGshBfPOlQPDJDJzhrEx/S1ZUXJP1ViTYuSXWYGp5ftvYL+TS9oLWR M4BF64AET3baFUAruYQtMFcqDUcZqlfhmpROAoGIahe4RpoCV9JSu5ayrbbqPijrpChk iPjg== X-Gm-Message-State: ALoCoQkoGdM7Gzm7UEP29NLnrCMqTUDKv06G9wSEVJ1EbvFKDbkY1oVD0jrZ4U/ZEwOU7bF+qc4TJzxzPje9nQHg9WDpGkm4eQ== X-Received: by 10.98.75.83 with SMTP id y80mr14009382pfa.77.1449830943958; Fri, 11 Dec 2015 02:49:03 -0800 (PST) Received: from zcy-ubuntu.spreadtrum.com ([175.111.195.49]) by smtp.gmail.com with ESMTPSA id kr16sm3955395pab.33.2015.12.11.02.49.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 11 Dec 2015 02:49:03 -0800 (PST) From: Chunyan Zhang To: alexander.shishkin@linux.intel.com Cc: linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] stm: the number of masters should be (sw_end - sw_start + 1) Date: Fri, 11 Dec 2015 18:47:59 +0800 Message-Id: <1449830880-15319-2-git-send-email-zhang.chunyan@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1449830880-15319-1-git-send-email-zhang.chunyan@linaro.org> References: <1449830880-15319-1-git-send-email-zhang.chunyan@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sw_end represents the last software master, sw_start is index of the first master, so the number of software masters should be sw_end - sw_start + 1. Signed-off-by: Chunyan Zhang --- drivers/hwtracing/stm/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c index 7f7bdb3..cb676f2 100644 --- a/drivers/hwtracing/stm/core.c +++ b/drivers/hwtracing/stm/core.c @@ -632,7 +632,7 @@ int stm_register_device(struct device *parent, struct stm_data *stm_data, if (!stm_data->packet || !stm_data->sw_nchannels) return -EINVAL; - nmasters = stm_data->sw_end - stm_data->sw_start; + nmasters = stm_data->sw_end - stm_data->sw_start + 1; stm = kzalloc(sizeof(*stm) + nmasters * sizeof(void *), GFP_KERNEL); if (!stm) return -ENOMEM;