ACPI: acpi_table_parse() now returns success/fail, not count

Returning count for tables that are supposed to be unique
was useless and confusing.

Signed-off-by: Len Brown <len.brown@intel.com>

2 files changed, 13 insertions, 6 deletions

diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index dcd58a446f4b..bb6caab24322 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -220,9 +220,7 @@ int __init acpi_numa_init(void)
         int result;
 
         /* SRAT: Static Resource Affinity Table */
-        result = acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat);
-
-        if (result > 0) {
+        if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
                 result = acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
                                                acpi_parse_processor_affinity,
                                                NR_CPUS);
@@ -230,7 +228,7 @@ int __init acpi_numa_init(void)
         }
 
         /* SLIT: System Locality Information Table */
-        result = acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
+        acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
 
         acpi_numa_arch_fixup();
         return 0;
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index ba4cb200314a..2075ec7b827b 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -226,6 +226,15 @@ acpi_table_parse_madt(enum acpi_madt_type id,
                                             handler, max_entries);
 }
 
+/**
+ * acpi_table_parse - find table with @id, run @handler on it
+ *
+ * @id: table id to find
+ * @handler: handler to run
+ *
+ * Scan the ACPI System Descriptor Table (STD) for a table matching @id,
+ * run @handler on it.  Return 0 if table found, return on if not.
+ */
 int __init acpi_table_parse(char *id, acpi_table_handler handler)
 {
         struct acpi_table_header *table = NULL;
@@ -235,9 +244,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
         acpi_get_table(id, 0, &table);
         if (table) {
                 handler(table);
-                return 1;
-        } else
                 return 0;
+        } else
+                return 1;
 }
 
 /*