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ACPICA: Utilities: Fix memory leak in acpi_ut_copy_iobject_to_iobject

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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: 3371c19c294a4cb3649aa4e84606be8a1d999e61
 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
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@ -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);
}
/* Delete the allocated object if copy failed */
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(*dest_desc);
}
return_ACPI_STATUS(status);
}