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ACPICA: Utilities: Fix memory leak in acpi_ut_copy_iobject_to_iobject

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commit 8aa5e56eeb61a099ea6519eb30ee399e1bc043ce upstream.

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>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David E. Box
2014-07-08 10:05:52 +08:00
committed by Greg Kroah-Hartman
parent db065663ad
commit b3e98f0c4f
1 changed files with 6 additions and 0 deletions
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drivers/acpi/acpica/utcopy.c
+6
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@@ -998,5 +998,11 @@ 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);
}