ACPICA: Fix possible memory leak in Unload() operator

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From: Linux Kernel Mailing List
Date: Friday, August 15, 2008 - 10:00 am

Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d3ff26...
Commit:     d3ff268a0149fce8835f6d48ab481d5e3321e0f7
Parent:     2843ae7734075f5d7072cf1230758bf8cf840af7
Author:     Lin Ming <ming.m.lin@intel.com>
AuthorDate: Fri Jul 4 10:51:41 2008 +0800
Committer:  Andi Kleen <ak@linux.intel.com>
CommitDate: Fri Aug 15 02:11:59 2008 +0200

    ACPICA: Fix possible memory leak in Unload() operator
    
    The DdbHandle returned by Load() does not have its reference count
    decremented during unload, leading to a memory leak. Lin Ming.
    
    Signed-off-by: Lin Ming <ming.m.lin@intel.com>
    Signed-off-by: Bob Moore <robert.moore@intel.com>
    Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
 drivers/acpi/executer/exconfig.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 2a32c84..8892b98 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -479,5 +479,8 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
 
 	acpi_tb_set_table_loaded_flag(table_index, FALSE);
 
+	/* Table unloaded, remove a reference to the ddb_handle object */
+
+	acpi_ut_remove_reference(ddb_handle);
 	return_ACPI_STATUS(AE_OK);
 }
--
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ACPICA: Fix possible memory leak in Unload() operator, Linux Kernel Mailing ..., (Fri Aug 15, 10:00 am)