Re: [PATCH] ACPI / tables: Return error from table parse handler

From: Matthias Brugger
Date: Fri May 20 2016 - 04:12:02 EST




On 19/05/16 23:17, Rafael J. Wysocki wrote:
On Thu, May 19, 2016 at 6:51 PM, Matthias Brugger <mbrugger@xxxxxxxx> wrote:
The handler called in acpi_table_parse may return an error.
This patch returns this error instead of ignoring it.

And does it address any particular practical problem or is it just a
code cleanup?


It's just a code cleanup.

Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
---
drivers/acpi/tables.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index a372f9e..fb5cd80 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -394,6 +394,7 @@ int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
{
struct acpi_table_header *table = NULL;
acpi_size tbl_size;
+ int ret;

if (acpi_disabled)
return -ENODEV;
@@ -407,9 +408,9 @@ int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
acpi_get_table_with_size(id, 0, &table, &tbl_size);

if (table) {
- handler(table);
+ ret = handler(table);
early_acpi_os_unmap_memory(table, tbl_size);
- return 0;
+ return ret;
} else
return -ENODEV;
}
--