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[76.210.143.223]) by smtp.gmail.com with ESMTPSA id e19sm5488131pfn.17.2020.05.28.15.44.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 May 2020 15:44:04 -0700 (PDT) Subject: [PATCH 1/2] soc: sifive: l2 cache: Eliminate an unsigned zero compare warning Date: Thu, 28 May 2020 15:43:52 -0700 Message-Id: <20200528224353.32559-1-palmer@dabbelt.com> X-Mailer: git-send-email 2.27.0.rc0.183.gde8f92d652-goog MIME-Version: 1.0 From: Palmer Dabbelt To: linux-riscv@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200528_154407_268624_52D06447 X-CRM114-Status: GOOD ( 10.57 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:544 listed in] [list.dnswl.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 Message has at least one valid DKIM or DK signature X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: anup@brainfault.org, Palmer Dabbelt , linux-kernel@vger.kernel.org, yash.shah@sifive.com, Palmer Dabbelt , Paul Walmsley , linux-riscv@lists.infradead.org, bp@suse.de, kernel-team@android.com Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org From: Palmer Dabbelt GCC warns about this comparison, which is unnecessary. Signed-off-by: Palmer Dabbelt --- drivers/soc/sifive/sifive_l2_cache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/sifive/sifive_l2_cache.c b/drivers/soc/sifive/sifive_l2_cache.c index d5f266551880..51e198880a8d 100644 --- a/drivers/soc/sifive/sifive_l2_cache.c +++ b/drivers/soc/sifive/sifive_l2_cache.c @@ -51,7 +51,7 @@ static ssize_t l2_write(struct file *file, const char __user *data, if (kstrtouint_from_user(data, count, 0, &val)) return -EINVAL; - if ((val >= 0 && val < 0xFF) || (val >= 0x10000 && val < 0x100FF)) + if ((val < 0xFF) || (val >= 0x10000 && val < 0x100FF)) writel(val, l2_base + SIFIVE_L2_ECCINJECTERR); else return -EINVAL;