From 84d4db7c528e23f8c9ae0be12960549347003eeb Mon Sep 17 00:00:00 2001 From: Lin Ming Date: Wed, 12 Nov 2008 14:56:59 +0800 Subject: [PATCH] ACPICA: Fix possible memory leak on error in parser Fixes a possible memory leak if an allocation failure happens in the parse loop. Must terminate an executing control method. Lin Ming, Bob Moore. ACPICA BZ 489. http://www.acpica.org/bugzilla/show_bug.cgi?id=489 Signed-off-by: Lin Ming Signed-off-by: Bob Moore Signed-off-by: Len Brown --- drivers/acpi/parser/psparse.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c index 68e932f215e..dfd3d902801 100644 --- a/drivers/acpi/parser/psparse.c +++ b/drivers/acpi/parser/psparse.c @@ -451,6 +451,14 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) thread = acpi_ut_create_thread_state(); if (!thread) { + if (walk_state->method_desc) { + + /* Executing a control method - additional cleanup */ + + acpi_ds_terminate_control_method( + walk_state->method_desc, walk_state); + } + acpi_ds_delete_walk_state(walk_state); return_ACPI_STATUS(AE_NO_MEMORY); } -- 2.41.1