The comment about return value of acpi_table_parse() is incorrect.
This patch fix it.
Furthermore, if the table is not found, return 1 means nothing, and
make it difficult to write the comment. So return -ENOENT when the
table is not found, and correct the comment.
Signed-off-by: Tang Chen <tangc...@cn.fujitsu.com>
---
drivers/acpi/tables.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 5a5263b..e6de24f 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -278,12 +278,13 @@ acpi_table_parse_madt(enum acpi_madt_type id,
/**
* 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.
+ * run @handler on it.
+ *
+ * Return 0 on success, -errno on failure.
*/
int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
{
@@ -306,7 +307,7 @@ int __init acpi_table_parse(char *id,
acpi_tbl_table_handler handler)
early_acpi_os_unmap_memory(table, tbl_size);
return 0;
} else
- return 1;
+ return -ENOENT;
}
/*
--
1.7.1
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