ACPI: replace AE_BAD_ADDRESS exception code with AE_ERROR

The AE_BAD_ADDRESS exception code is now unused in ACPICA.
For linux, it's only used at wmi.c and acer-wmi.c.
I checked both wmi.c and acer-wmi.c, the AE_BAD_ADDRESS exception code
has no special meaning. The parent functions just call AE_SUCCESS() or
AE_FAILURE() to check the return status.
So it's safe to replace AE_BAD_ADDRESS with AE_ERROR.

Signed-off-by Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c
index cfe2c83..5b94be3 100644 (file)
--- a/drivers/acpi/wmi.c
+++ b/drivers/acpi/wmi.c
@@ -242,7 +242,7 @@ u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out)
        char method[4] = "WM";
 
        if (!find_guid(guid_string, &wblock))
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
 
        block = &wblock->gblock;
        handle = wblock->handle;
@@ -304,7 +304,7 @@ struct acpi_buffer *out)
                return AE_BAD_PARAMETER;
 
        if (!find_guid(guid_string, &wblock))
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
 
        block = &wblock->gblock;
        handle = wblock->handle;
@@ -314,7 +314,7 @@ struct acpi_buffer *out)
 
        /* Check GUID is a data block */
        if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD))
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
 
        input.count = 1;
        input.pointer = wq_params;
@@ -385,7 +385,7 @@ const struct acpi_buffer *in)
                return AE_BAD_DATA;
 
        if (!find_guid(guid_string, &wblock))
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
 
        block = &wblock->gblock;
        handle = wblock->handle;
@@ -395,7 +395,7 @@ const struct acpi_buffer *in)
 
        /* Check GUID is a data block */
        if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD))
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
 
        input.count = 2;
        input.pointer = params;

diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index d8b0d32..a67aef5 100644 (file)
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -476,7 +476,7 @@ struct wmi_interface *iface)
                }
                break;
        default:
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
        }
        return AE_OK;
 }
@@ -514,7 +514,7 @@ static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
                        break;
                }
        default:
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
        }
 
        /* Actually do the set */
@@ -689,7 +689,7 @@ struct wmi_interface *iface)
                        return 0;
                }
        default:
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
        }
        status = WMI_execute_u32(method_id, 0, &result);
 
@@ -735,7 +735,7 @@ static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
                }
                break;
        default:
-               return AE_BAD_ADDRESS;
+               return AE_ERROR;
        }
        return WMI_execute_u32(method_id, (u32)value, NULL);
 }
@@ -785,7 +785,7 @@ static struct wmi_interface wmid_interface = {
 
 static acpi_status get_u32(u32 *value, u32 cap)
 {
-       acpi_status status = AE_BAD_ADDRESS;
+       acpi_status status = AE_ERROR;
 
        switch (interface->type) {
        case ACER_AMW0: