[PATCH 1/2] intel-rst: Use ACPI_FAILURE() macro instead !ACPI_SUCCESS() for error checking

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ACPI_SUCCESS is defined as:
#define ACPI_SUCCESS(a)			(!(a))

There is no need for the the double ! since there is already a macro
defined for failures: ACPI_FAILURE()

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
---
 drivers/platform/x86/intel-rst.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/platform/x86/intel-rst.c b/drivers/platform/x86/intel-rst.c
index d45bca3..8c6a8fe 100644
--- a/drivers/platform/x86/intel-rst.c
+++ b/drivers/platform/x86/intel-rst.c
@@ -35,7 +35,7 @@ static ssize_t irst_show_wakeup_events(struct device *dev,
 	acpi = to_acpi_device(dev);
 
 	status = acpi_evaluate_integer(acpi->handle, "GFFS", NULL, &value);
-	if (!ACPI_SUCCESS(status))
+	if (ACPI_FAILURE(status))
 		return -EINVAL;
 
 	return sprintf(buf, "%lld\n", value);
@@ -59,7 +59,7 @@ static ssize_t irst_store_wakeup_events(struct device *dev,
 
 	status = acpi_execute_simple_method(acpi->handle, "SFFS", value);
 
-	if (!ACPI_SUCCESS(status))
+	if (ACPI_FAILURE(status))
 		return -EINVAL;
 
 	return count;
@@ -81,7 +81,7 @@ static ssize_t irst_show_wakeup_time(struct device *dev,
 	acpi = to_acpi_device(dev);
 
 	status = acpi_evaluate_integer(acpi->handle, "GFTV", NULL, &value);
-	if (!ACPI_SUCCESS(status))
+	if (ACPI_FAILURE(status))
 		return -EINVAL;
 
 	return sprintf(buf, "%lld\n", value);
@@ -105,7 +105,7 @@ static ssize_t irst_store_wakeup_time(struct device *dev,
 
 	status = acpi_execute_simple_method(acpi->handle, "SFTV", value);
 
-	if (!ACPI_SUCCESS(status))
+	if (ACPI_FAILURE(status))
 		return -EINVAL;
 
 	return count;
-- 
2.1.0

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