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[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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191118_032422_792918_F209D059 X-CRM114-Status: UNSURE ( 9.87 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 3.4 (+++) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (3.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:442 listed in] [list.dnswl.org] 3.6 RCVD_IN_SBL_CSS RBL: Received via a relay in Spamhaus SBL-CSS [5.186.115.54 listed in zen.spamhaus.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: Timur Tabi , Rasmus Villemoes , linux-kernel@vger.kernel.org, Scott Wood , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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 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) {