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authorLen Brown <[email protected]>2009-07-08 03:22:58 +0000
committerLen Brown <[email protected]>2009-08-28 23:57:28 +0000
commite5b8fc6ac158f65598f58dba2c0d52ba3b412f52 (patch)
tree1e4271c6f9ad1ba2f638cf73612b5b3229844a86 /drivers/acpi/tables.c
parentACPI, PCI: Change PREFIX to "PCI" from "ACPI" in mmconfig-shared.c (diff)
downloadkernel-e5b8fc6ac158f65598f58dba2c0d52ba3b412f52.tar.gz
kernel-e5b8fc6ac158f65598f58dba2c0d52ba3b412f52.zip
ACPI: check acpi_disabled in acpi_table_parse() and acpi_table_parse_entries()
Allow consumers of the acpi_table_parse()/acpi_table_parse_entries() API to gracefully handle the acpi_disabled=1 case via return value rather than checking the global flag themselves. Signed-off-by: Feng Tang <[email protected]> Signed-off-by: Len Brown <[email protected]>
Diffstat (limited to 'drivers/acpi/tables.c')
-rw-r--r--drivers/acpi/tables.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 646d39c031ca..f336bca7c450 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -213,6 +213,9 @@ acpi_table_parse_entries(char *id,
unsigned long table_end;
acpi_size tbl_size;
+ if (acpi_disabled)
+ return -ENODEV;
+
if (!handler)
return -EINVAL;
@@ -277,6 +280,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
struct acpi_table_header *table = NULL;
acpi_size tbl_size;
+ if (acpi_disabled)
+ return -ENODEV;
+
if (!handler)
return -EINVAL;