Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Sasha Levin <sashal@kernel.org>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc:     Zhang Qilong <zhangqilong3@huawei.com>,
        Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
        Vishal Verma <vishal.l.verma@intel.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
        Sasha Levin <sashal@kernel.org>, linux-nvdimm@lists.01.org,
        linux-acpi@vger.kernel.org
Subject: [PATCH AUTOSEL 5.4 20/24] ACPI: NFIT: Fix comparison to '-ENXIO'
Date:   Mon,  2 Nov 2020 20:20:03 -0500
Message-Id: <20201103012007.183429-20-sashal@kernel.org>
In-Reply-To: <20201103012007.183429-1-sashal@kernel.org>
References: <20201103012007.183429-1-sashal@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Zhang Qilong <zhangqilong3@huawei.com>

[ Upstream commit 85f971b65a692b68181438e099b946cc06ed499b ]

Initial value of rc is '-ENXIO', and we should
use the initial value to check it.

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/acpi/nfit/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 12d980aafc5ff..9d78f29cf9967 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1553,7 +1553,7 @@ static ssize_t format1_show(struct device *dev,
 					le16_to_cpu(nfit_dcr->dcr->code));
 			break;
 		}
-		if (rc != ENXIO)
+		if (rc != -ENXIO)
 			break;
 	}
 	mutex_unlock(&acpi_desc->init_mutex);
-- 
2.27.0