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authorMyron Stowe <myron.stowe@hp.com>2009-01-30 23:44:53 +0100
committerLen Brown <len.brown@intel.com>2009-02-07 06:51:23 +0100
commit386e4a8358239f90275e1f93d5ad11cdc93c6453 (patch)
treeb6affdf41cc0ca99e5e61256f2372f240f6fd23f /drivers/acpi
parentACPI: Enable bit 11 in _PDC to advertise hw coord (diff)
downloadlinux-386e4a8358239f90275e1f93d5ad11cdc93c6453.tar.xz
linux-386e4a8358239f90275e1f93d5ad11cdc93c6453.zip
ACPICA: Fix table entry truncation calculation
During early boot, ACPI RSDT/XSDT table entries are gathered into the 'initial_tables[]' array. This array is currently statically defined (see ./drivers/acpi/tables.c). When there are more table entries than can be held in the 'initial_tables[]' array, the message "Truncating N table entries!" is output. As currently implemented, this message will always erroneously calculate N as 0. This patch fixes the calculation that determines how many table entries will be missing (truncated). This modification may be used under either the GPL or the BSD-style license used for Intel ACPI CA code. Signed-off-by: Myron Stowe <myron.stowe@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpica/tbutils.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index 9684cc827930..22ce48985720 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -538,10 +538,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
if (ACPI_FAILURE(status)) {
ACPI_WARNING((AE_INFO,
"Truncating %u table entries!",
- (unsigned)
- (acpi_gbl_root_table_list.size -
- acpi_gbl_root_table_list.
- count)));
+ (unsigned) (table_count -
+ (acpi_gbl_root_table_list.
+ count - 2))));
break;
}
}