[PATCH v3 1/2] acpi: Fix proper return code for function acpi_gsi_to_irq

[Loc Ho]

The function acpi_gsi_to_irq should returns 0 on success as upper function
caller expect an 0 for sucesss.

Signed-off-by: Tuan Phan <tphan at apm.com>
Signed-off-by: Loc Ho <lho at apm.com>
---
 drivers/acpi/gsi.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/gsi.c b/drivers/acpi/gsi.c
index fa4585a..0ed1003 100644
--- a/drivers/acpi/gsi.c
+++ b/drivers/acpi/gsi.c
@@ -43,7 +43,7 @@ static unsigned int acpi_gsi_get_irq_type(int trigger, int polarity)
  *
  * irq location updated with irq value [>0 on success, 0 on failure]
  *
- * Returns: linux IRQ number on success (>0)
+ * Returns: 0 on success
  *          -EINVAL on failure
  */
 int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
@@ -56,7 +56,7 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
 	 * *irq == 0 means no mapping, that should
 	 * be reported as a failure
 	 */
-	return (*irq > 0) ? *irq : -EINVAL;
+	return (*irq > 0) ? 0 : -EINVAL;
 }
 EXPORT_SYMBOL_GPL(acpi_gsi_to_irq);
 
-- 
1.7.1