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ACPICA: Additional error checking for pathname utilities

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Add error check after all calls to acpi_ns_get_pathname_length.
Add status return from acpi_ns_build_external_path and check after
all calls.  Add parameter validation to acpi_ut_initialize_buffer.

Reported by and initial patch by Ingo Molnar.
http://lkml.org/lkml/2008/7/21/176

Signed-off-by: Bob Moore <[email protected]>
Signed-off-by: Lin Ming <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
This commit is contained in:
Bob Moore 2008-08-04 11:13:01 +08:00 • committed by Andi Kleen
commit 3c7db22a19
5 changed files with 40 additions and 20 deletions
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2
include/acpi/acnamesp.h
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@ -182,7 +182,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
*/
u32 acpi_ns_opens_scope(acpi_object_type type);
void
acpi_status
acpi_ns_build_external_path(struct acpi_namespace_node *node,
acpi_size size, char *name_buffer);