From 85f971b65a692b68181438e099b946cc06ed499b Mon Sep 17 00:00:00 2001

From: Zhang Qilong <zhangqilong3@huawei.com>

Date: Tue, 27 Oct 2020 21:49:01 +0800

Subject: [PATCH] ACPI: NFIT: Fix comparison to '-ENXIO'

Git-commit: 85f971b65a692b68181438e099b946cc06ed499b

Patch-mainline: v5.10-rc2

References: git-fixes

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>

Acked-by: Takashi Iwai <tiwai@suse.de>

---

 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 756227837b3b..3a3c209ed3d3 100644

--- a/drivers/acpi/nfit/core.c

+++ b/drivers/acpi/nfit/core.c

@@ -1564,7 +1564,7 @@ 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);

-- 

2.16.4