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 dd4c7289610e..cb88f3b43a94 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1535,7 +1535,7 @@ 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); -- 2.25.1