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ACPICA: Utilities: Fix memory leak in acpi_ut_copy_iobject_to_iobject 

Adds return status check on copy routines to delete the allocated destination
object if either copy fails. Reported by Colin Ian King on bugs.acpica.org,
Bug 1087.
The last applicable commit:
 Commit: 3371c19c29
 Subject: ACPICA: Remove ACPI_GET_OBJECT_TYPE macro

Link: https://bugs.acpica.org/show_bug.cgi?id=1087
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: 3.9+ <stable@vger.kernel.org> # 3.9+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
David E. Box 2014-07-08 10:05:52 +08:00 committed by Rafael J. Wysocki
parent 6ec5e12074
commit 8aa5e56eeb
1 changed files with 6 additions and 0 deletions
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6
drivers/acpi/acpica/utcopy.c
View File

@ -1001,5 +1001,11 @@ acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
status = acpi_ut_copy_simple_object(source_desc, *dest_desc); status = acpi_ut_copy_simple_object(source_desc, *dest_desc);
} }
/* Delete the allocated object if copy failed */
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(*dest_desc);
}
return_ACPI_STATUS(status); return_ACPI_STATUS(status);
} }