From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 542EDC5DF60 for ; Fri, 8 Nov 2019 13:02:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28D2A222CE for ; Fri, 8 Nov 2019 13:02:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=rasmusvillemoes.dk header.i=@rasmusvillemoes.dk header.b="RkUIYnXt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727076AbfKHNCV (ORCPT ); Fri, 8 Nov 2019 08:02:21 -0500 Received: from mail-lf1-f65.google.com ([209.85.167.65]:44490 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729919AbfKHNCP (ORCPT ); Fri, 8 Nov 2019 08:02:15 -0500 Received: by mail-lf1-f65.google.com with SMTP id v4so4391491lfd.11 for ; Fri, 08 Nov 2019 05:02:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rasmusvillemoes.dk; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hiVnbA+aLQJgHhafT97yYdRXOf2rz2/qkrRHHeVl/y0=; b=RkUIYnXtYtHoaluers5poWFKyA9z83YZFiREEHR69eo9ytnTPqRk666oOcDh796rt5 W1SjnIiqgz5KNK11xLTj256um9u/k4+/5+8GSUUNS1JotuxHOPV7fZbIa/ZjkUpQA3ac P0TDnhp2ooUva3vHkfByfLzAZyZAhhEcqhIuE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=hiVnbA+aLQJgHhafT97yYdRXOf2rz2/qkrRHHeVl/y0=; b=hhIpKqQoYwxm+j496AJFTFVCWD6pVQ1idPpdyL8wIodmoQ7633HY12jlFRU7r3DpHt 08NorO2Wczti6pRwLaW1j1DvAiBFXmIMol4yr8tR5IDr/lVy+ww70XrEFmKU1b1HslrY H8qJ6I9n0CXsJksR9rBtUKo0oa2AJXF5oexVkS5b5GQqtW8XQb9tYvTCrEYClRJduBdP MQOaLr+RDdilPsNQhKiCAksl1W7Cwfnx2heY9ELSjli/CH5Uf9YEHB48kVNsJ9Mge3ny rhsnNqBkspogOSDecqEmTsT4YEu38ggPQSvyJkj5toAJZyPSaGDi0orDt3OqcviQc2qq if7w== X-Gm-Message-State: APjAAAV1WNF0t4ej5vRi5j2wlXIrEHMRJgPrL1BfoAw0ZFgvZwJ7oV9c EkfnBDsFcUEyb0MvGuYnoOPq7cJ3dK4ibMaZ X-Google-Smtp-Source: APXvYqyY1XtYAXaxuUxr5OqGf/UpqCH4S0tKcnokVcpJWs4tNPMtCmYKxFMQ4t+72vh1UpmamXg+gA== X-Received: by 2002:ac2:5635:: with SMTP id b21mr6601913lff.89.1573218133640; Fri, 08 Nov 2019 05:02:13 -0800 (PST) Received: from prevas-ravi.prevas.se ([81.216.59.226]) by smtp.gmail.com with ESMTPSA id d28sm2454725lfn.33.2019.11.08.05.02.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2019 05:02:13 -0800 (PST) From: Rasmus Villemoes To: Qiang Zhao , Li Yang , Christophe Leroy Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Scott Wood , Rasmus Villemoes Subject: [PATCH v4 36/47] soc: fsl: qe: make cpm_muram_free() ignore a negative offset Date: Fri, 8 Nov 2019 14:01:12 +0100 Message-Id: <20191108130123.6839-37-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191108130123.6839-1-linux@rasmusvillemoes.dk> References: <20191108130123.6839-1-linux@rasmusvillemoes.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This allows one to simplify callers since they can store a negative value as a sentinel to indicate "this was never allocated" (or store the -ENOMEM from an allocation failure) and then call cpm_muram_free() unconditionally. Signed-off-by: Rasmus Villemoes --- drivers/soc/fsl/qe/qe_common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index ea9bef1d2c77..4437f4e14d2c 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -176,6 +176,9 @@ void cpm_muram_free(s32 offset) int size; struct muram_block *tmp; + if (offset < 0) + return; + size = 0; spin_lock_irqsave(&cpm_muram_lock, flags); list_for_each_entry(tmp, &muram_block_list, head) { -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46959C5DF60 for ; 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Fri, 08 Nov 2019 05:02:13 -0800 (PST) Received: from prevas-ravi.prevas.se ([81.216.59.226]) by smtp.gmail.com with ESMTPSA id d28sm2454725lfn.33.2019.11.08.05.02.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2019 05:02:13 -0800 (PST) From: Rasmus Villemoes To: Qiang Zhao , Li Yang , Christophe Leroy Subject: [PATCH v4 36/47] soc: fsl: qe: make cpm_muram_free() ignore a negative offset Date: Fri, 8 Nov 2019 14:01:12 +0100 Message-Id: <20191108130123.6839-37-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191108130123.6839-1-linux@rasmusvillemoes.dk> References: <20191108130123.6839-1-linux@rasmusvillemoes.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Scott Wood , Rasmus Villemoes , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This allows one to simplify callers since they can store a negative value as a sentinel to indicate "this was never allocated" (or store the -ENOMEM from an allocation failure) and then call cpm_muram_free() unconditionally. Signed-off-by: Rasmus Villemoes --- drivers/soc/fsl/qe/qe_common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index ea9bef1d2c77..4437f4e14d2c 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -176,6 +176,9 @@ void cpm_muram_free(s32 offset) int size; struct muram_block *tmp; + if (offset < 0) + return; + size = 0; spin_lock_irqsave(&cpm_muram_lock, flags); list_for_each_entry(tmp, &muram_block_list, head) { -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1340AFA372C for ; 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Fri, 08 Nov 2019 05:02:13 -0800 (PST) Received: from prevas-ravi.prevas.se ([81.216.59.226]) by smtp.gmail.com with ESMTPSA id d28sm2454725lfn.33.2019.11.08.05.02.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2019 05:02:13 -0800 (PST) From: Rasmus Villemoes To: Qiang Zhao , Li Yang , Christophe Leroy Subject: [PATCH v4 36/47] soc: fsl: qe: make cpm_muram_free() ignore a negative offset Date: Fri, 8 Nov 2019 14:01:12 +0100 Message-Id: <20191108130123.6839-37-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191108130123.6839-1-linux@rasmusvillemoes.dk> References: <20191108130123.6839-1-linux@rasmusvillemoes.dk> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191108_050215_472711_42C1D85B X-CRM114-Status: UNSURE ( 9.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Scott Wood , Rasmus Villemoes , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This allows one to simplify callers since they can store a negative value as a sentinel to indicate "this was never allocated" (or store the -ENOMEM from an allocation failure) and then call cpm_muram_free() unconditionally. Signed-off-by: Rasmus Villemoes --- drivers/soc/fsl/qe/qe_common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index ea9bef1d2c77..4437f4e14d2c 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -176,6 +176,9 @@ void cpm_muram_free(s32 offset) int size; struct muram_block *tmp; + if (offset < 0) + return; + size = 0; spin_lock_irqsave(&cpm_muram_lock, flags); list_for_each_entry(tmp, &muram_block_list, head) { -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel