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[67.216.221.250]) by smtp.gmail.com with ESMTPSA id z5sm8353787pgp.79.2020.11.22.22.37.14 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 22 Nov 2020 22:37:14 -0800 (PST) From: xiakaixu1987@gmail.com X-Google-Original-From: kaixuxia@tencent.com To: dmitry.torokhov@gmail.com Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Kaixu Xia Subject: [PATCH] Input: synaptics-rmi4 - remove the useless unsigned variable compared with zero Date: Mon, 23 Nov 2020 14:37:08 +0800 Message-Id: <1606113428-21462-1-git-send-email-kaixuxia@tencent.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kaixu Xia It is always true that the value of unsigned variable size_presence_reg greater than or equal to zero, so compared with zero is unnecessary. Remove it. Reported-by: Tosk Robot Signed-off-by: Kaixu Xia --- drivers/input/rmi4/rmi_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index 258d5fe3d395..e7c9300417e3 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -580,7 +580,7 @@ int rmi_read_register_desc(struct rmi_device *d, u16 addr, return ret; ++addr; - if (size_presence_reg < 0 || size_presence_reg > 35) + if (size_presence_reg > 35) return -EIO; memset(buf, 0, sizeof(buf)); -- 2.20.0