[PATCH 4.14 34/48] ACPI: NFIT: Fix comparison to -ENXIO

From: Greg Kroah-Hartman
Date: Mon Nov 09 2020 - 08:07:10 EST


From: Zhang Qilong <zhangqilong3@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@xxxxxxxxx>
Reviewed-by: Vishal Verma <vishal.l.verma@xxxxxxxxx>
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 68205002f561e..20fd197ef74cc 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1273,7 +1273,7 @@ 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