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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-28 01:53:50 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-28 01:53:50 +0200 |
| commit | 0ad4991cae47c0d3ae93e1531ba5572d223d700c (patch) | |
| tree | 65ef2e310b84c159b56630f36e2d9c75c3c9f9e6 /drivers/acpi/acpica/rslist.c | |
| parent | 2467d7b7037438f2d1fed826fc5217dddf4b37fb (diff) | |
| parent | 8ee88d591154ad7d9d413ba150a1ddbb8c2bf198 (diff) | |
Merge branch 'acpica'
* acpica: (33 commits)
ACPICA: Update version to 20130328
ACPICA: Add a lock to the internal object reference count mechanism
ACPICA: Fix a format string for 64-bit generation
ACPICA: Remove FORCE_DELETE option for global reference count mechanism
ACPICA: Improve error message for Index() operator
ACPICA: FADT: Remove extraneous warning for very large GPE registers
ACPICA: Fix a typo in a function header, no functional change
ACPICA: Fix a typo in an error message
ACPICA: Fix for some comments/headers
ACPICA: _OSI Support: handle any errors from acpi_os_acquire_mutex()
ACPICA: Predefine names: Add allowed argument types to master info table
ACPI: Set length even for TYPE_END_TAG acpi resource
ACPICA: Update version to 20130214
ACPICA: Object repair: Allow 0-length packages for variable-length packages
ACPICA: Disassembler: Add warnings for unresolved control methods
ACPICA: Return object repair: Add resource template repairs
ACPICA: Return object repair: Add string-to-unicode conversion
ACPICA: Split object conversion functions to a new file
ACPICA: Add mechanism for early object repairs on a per-name basis
ACPICA: Remove trailing comma in enum declarations
...
Diffstat (limited to 'drivers/acpi/acpica/rslist.c')
| -rw-r--r-- | drivers/acpi/acpica/rslist.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c index ee2e206fc6c8..6053aa182093 100644 --- a/drivers/acpi/acpica/rslist.c +++ b/drivers/acpi/acpica/rslist.c @@ -178,6 +178,14 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, return_ACPI_STATUS(AE_BAD_DATA); } + /* Sanity check the length. It must not be zero, or we loop forever */ + + if (!resource->length) { + ACPI_ERROR((AE_INFO, + "Invalid zero length descriptor in resource list\n")); + return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); + } + /* Perform the conversion */ if (resource->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { |