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| author | Lv Zheng <lv.zheng@intel.com> | 2014-05-28 01:14:55 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-05-29 01:25:42 +0200 |
| commit | 2947c1d5f72b77078aeb3df05d4298274234534d (patch) | |
| tree | c22cdfc06f18da12a96be1a6e598576cfff1e35e /tools/power/acpi | |
| parent | a238317ce8185519ed083e81e84260907fbbcf7f (diff) | |
| download | lwn-2947c1d5f72b77078aeb3df05d4298274234534d.tar.gz lwn-2947c1d5f72b77078aeb3df05d4298274234534d.zip | |
ACPICA: acpidump: Fix repetitive table dump in -n mode.
In "-n" mode, reserved tables (RSDP/RSDT/XSDT/DSDT/FACS) are dumped
multiple times due a missing instance check in osl_get_bios_table().
This patch fixes this issue.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/power/acpi')
| -rw-r--r-- | tools/power/acpi/os_specific/service_layers/oslinuxtbl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c index ba7bad04dff1..28c52008e854 100644 --- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c +++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c @@ -783,6 +783,10 @@ osl_get_bios_table(char *signature, ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT) || ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT) || ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) { + if (instance > 0) { + return (AE_LIMIT); + } + /* * Get the appropriate address, either 32-bit or 64-bit. Be very * careful about the FADT length and validate table addresses. |