From patchwork Thu Jul 4 03:14:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 13723161 Received: from out30-118.freemail.mail.aliyun.com (out30-118.freemail.mail.aliyun.com [115.124.30.118]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D6BD1755B; Thu, 4 Jul 2024 03:14:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.118 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720062898; cv=none; b=IwV5j/e4a8aRv1HswYCDoIj5HdUQfDqZ43019gnD8eZtxT2RQZUFMu6+Kvlw+98ymcPHYRAYduPlg5kT2fNLhYWjryR4/F+rQRlZsuaL6T1xwJdyvjW9eOcZ9ei6AOwjEFSvZi5vGM5xHW2Qa3OkRo3AGL7fanj+iqtuWZcFNdk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720062898; c=relaxed/simple; bh=b/gHoHFvfnRitOnCPnbxz7q3Yi/4YiKr38RDiWGmXME=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=newsIh1dI4XLonMOYGFW0KXL547M3Lct4g0qzo1jhEqH/63ay2t/1VWra1k+AOQbz34RbXgYv10utIIW2IQgBjeAYVRiqe+LhA21SEmOinF15N/VTNNW5aZzX/ZC4f66r8KyNEabzuSFOJvBUzDXyVr5G+gssYB9GEynbLbp/x4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=SP+E4e9M; arc=none smtp.client-ip=115.124.30.118 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="SP+E4e9M" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1720062887; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=1qYRwDAjG14tepuD9YOlPlqvo6o8X3iseM2dxd+zflQ=; b=SP+E4e9M5qf8O/bmqdFfj/EXvu0LMj4zB/6nCBD1arTmvBSusu6fFTR0Lfw1By9/1kJv2HNvu3wtFRuUbB6mAKjo4+qmAvjBcBnLZcVOr/8Rdl3HIf1M3toSWHF9qEmEYFYTcTLZSmHrY6wZJn8BYDNJZyBfKmzKF3V2zeQXk08= X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R101e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037067110;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0W9oz.yS_1720062878; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0W9oz.yS_1720062878) by smtp.aliyun-inc.com; Thu, 04 Jul 2024 11:14:47 +0800 From: Jiapeng Chong To: James.Bottomley@HansenPartnership.com Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Jiapeng Chong , Abaci Robot Subject: [PATCH -next v2] scsi: sd: Fix unsigned expression compared with zero in sd_spinup_disk() Date: Thu, 4 Jul 2024 11:14:37 +0800 Message-Id: <20240704031437.33338-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The return value from the call to scsi_execute_cmd() is int. However, the return value is being assigned to an unsigned int variable 'the_result', so making 'the_result' an int. ./drivers/scsi/sd.c:2333:6-16: WARNING: Unsigned expression compared with zero: the_result > 0. Reported-by: Abaci Robot Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9463 Signed-off-by: Jiapeng Chong --- Changes in v2: -Refine the title to make it more precise. drivers/scsi/sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 979795dad62b..ade8c6cca295 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2396,7 +2396,7 @@ sd_spinup_disk(struct scsi_disk *sdkp) static const u8 cmd[10] = { TEST_UNIT_READY }; unsigned long spintime_expire = 0; int spintime, sense_valid = 0; - unsigned int the_result; + int the_result; struct scsi_sense_hdr sshdr; struct scsi_failure failure_defs[] = { /* Do not retry Medium Not Present */