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| author | Feng Tang <feng.tang@intel.com> | 2012-10-31 02:27:15 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2012-11-15 00:31:26 +0100 |
| commit | bee6dc39cfa4be083e8c11cee0867eb7dc56895b (patch) | |
| tree | 9a6b80801cce89c99ed2ef1ce5a9d0be259138ba /drivers/acpi | |
| parent | abf95c362929ce0af7dd413f981597c5386f749d (diff) | |
| download | linux-bee6dc39cfa4be083e8c11cee0867eb7dc56895b.tar.gz linux-bee6dc39cfa4be083e8c11cee0867eb7dc56895b.tar.bz2 linux-bee6dc39cfa4be083e8c11cee0867eb7dc56895b.zip | |
ACPICA: Resource Mgr: Small fix for buffer size calculation
Fixes a one byte error in the output buffer calculation.
Feng Tang - ACPICA BZ 849:
https://www.acpica.org/bugzilla/show_bug.cgi?id=849
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/rscalc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index 685177985509..147feb6aa2a0 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -457,6 +457,15 @@ acpi_rs_get_list_length(u8 * aml_buffer, * Get the number of vendor data bytes */ extra_struct_bytes = resource_length; + + /* + * There is already one byte included in the minimum + * descriptor size. If there are extra struct bytes, + * subtract one from the count. + */ + if (extra_struct_bytes) { + extra_struct_bytes--; + } break; case ACPI_RESOURCE_NAME_END_TAG: |