From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wr0-f196.google.com ([209.85.128.196]:35810 "EHLO mail-wr0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750872AbdHLL45 (ORCPT ); Sat, 12 Aug 2017 07:56:57 -0400 Received: by mail-wr0-f196.google.com with SMTP id c22so506881wrb.2 for ; Sat, 12 Aug 2017 04:56:56 -0700 (PDT) From: Daniel Scheller To: linux-media@vger.kernel.org, mchehab@kernel.org, mchehab@s-opensource.com Cc: r.scobie@clear.net.nz, jasmin@anw.at, d_spingler@freenet.de, Manfred.Knick@t-online.de, rjkm@metzlerbros.de Subject: [PATCH v4 08/11] [media] ddbridge: fix impossible condition warning Date: Sat, 12 Aug 2017 13:55:59 +0200 Message-Id: <20170812115602.18124-9-d.scheller.oss@gmail.com> In-Reply-To: <20170812115602.18124-1-d.scheller.oss@gmail.com> References: <20170812115602.18124-1-d.scheller.oss@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: From: Daniel Scheller Smatch and gcc complained: drivers/media/pci/ddbridge/ddbridge-core.c:3491 bpsnr_show() warn: impossible condition '(snr[0] == 255) => ((-128)-127 == 255)' drivers/media/pci/ddbridge/ddbridge-core.c: In function ‘bpsnr_show’: drivers/media/pci/ddbridge/ddbridge-core.c:3491:13: warning: comparison is always false due to limited range of data type [-Wtype-limits] Fix this by changing the type of snr to unsigned char. Cc: Ralph Metzler Signed-off-by: Daniel Scheller Tested-by: Richard Scobie Tested-by: Jasmin Jessich Tested-by: Dietmar Spingler Tested-by: Manfred Knick --- drivers/media/pci/ddbridge/ddbridge-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c index 747f3b317fb9..66b520d131a0 100644 --- a/drivers/media/pci/ddbridge/ddbridge-core.c +++ b/drivers/media/pci/ddbridge/ddbridge-core.c @@ -3107,7 +3107,7 @@ static ssize_t bpsnr_show(struct device *device, struct device_attribute *attr, char *buf) { struct ddb *dev = dev_get_drvdata(device); - char snr[32]; + unsigned char snr[32]; if (!dev->i2c_num) return 0; -- 2.13.0