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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 611DDC432C0 for ; Mon, 18 Nov 2019 11:24:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 372392084D for ; Mon, 18 Nov 2019 11:24:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=rasmusvillemoes.dk header.i=@rasmusvillemoes.dk header.b="iW0UQYAz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727427AbfKRLY2 (ORCPT ); Mon, 18 Nov 2019 06:24:28 -0500 Received: from mail-ed1-f68.google.com ([209.85.208.68]:36672 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727402AbfKRLYX (ORCPT ); Mon, 18 Nov 2019 06:24:23 -0500 Received: by mail-ed1-f68.google.com with SMTP id f7so13206447edq.3 for ; Mon, 18 Nov 2019 03:24:21 -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=kmzEwbR7z9MB2kX6E+hxPBjMMxkrgbCI0SqbDjInDjs=; b=iW0UQYAzkmH8Ll/M9PRrq939jlpUbSW0NRlVO9QY+D4clTNrJOZfMDBDFUbjyL4Cs7 AafHw+ZYUyVMiRkn9UVwi3pQGytY4uNU4TxcdyErLNYAINbJRSnVaWhXPyXoBkVDZ0AE l3Fg7abGNnEPO4rdJFSDHZaKL7SSwwOkiiOlg= 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=kmzEwbR7z9MB2kX6E+hxPBjMMxkrgbCI0SqbDjInDjs=; b=WftQ6Uf+oQob4RNRJUIO/pO+1mnnI7uGKIrcqvTntXmoBZ817VJYBHZP5SwoZ1mr0D rq6En8+//qjtGsggDlW/TIUbOTFVPBhd7o4kdT6TE9WRpEp/GQPccoRslj/HBo6gFCj7 qkTBDxFr4pbBl2H8dG+EkBjizopkKSIqjbovq5F6gd5kPt7iqEMGxNtcTlG2vI7/GRyN eC3DDqwq5Y8+/fW6fd5UND/58prWwFrSIfuWrtdSAp7xwJnIGa7L+YJC2jAUfpVjUnQs bnl4+q6AEdVnhR4LV9cJSJX8UPPgi4TH3wJud6HNMbqptD+ga3iSTQJ9tSWM6gX3LSrX JWvA== X-Gm-Message-State: APjAAAWG3x/Q6kyKNoBpM7kjToPf0z2t6ES8W6enB2XmrTAIHhmOgJwZ EMX4NEj1VFUYuBmA9Rh2DtI5p6QEp5vmnA== X-Google-Smtp-Source: APXvYqx95kajCqCxz/PSbS8ItEnY/XM8/CDgL5w+eRk/tL2D6xJCZl9iTwQDhJviE4PdC/OwznLwrA== X-Received: by 2002:a5d:54c4:: with SMTP id x4mr29937876wrv.247.1574076260319; Mon, 18 Nov 2019 03:24:20 -0800 (PST) Received: from prevas-ravi.prevas.se (ip-5-186-115-54.cgn.fibianet.dk. [5.186.115.54]) by smtp.gmail.com with ESMTPSA id y2sm21140815wmy.2.2019.11.18.03.24.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Nov 2019 03:24:19 -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 , Timur Tabi , Rasmus Villemoes Subject: [PATCH v5 37/48] soc: fsl: qe: make cpm_muram_free() ignore a negative offset Date: Mon, 18 Nov 2019 12:23:13 +0100 Message-Id: <20191118112324.22725-38-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191118112324.22725-1-linux@rasmusvillemoes.dk> References: <20191118112324.22725-1-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 962835488f66..48c77bb92846 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