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ACPI: fix bus scanning memory leaks 

Free an acpi_get_object_info() buffer when we're finished.  Skip the
acpi_get_name() altogether -- it was only used for a printk that was
really just for debug anyway.

http://bugzilla.kernel.org/show_bug.cgi?id=14271

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reported-and-tested-by: Zdenek Kabelac <zdenek.kabelac@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas 2009-10-02 11:03:12 -04:00 committed by Len Brown
parent 0efe5e32c8
commit a83893ae90
1 changed files with 2 additions and 5 deletions
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7
drivers/acpi/scan.c
View File

@ -1052,6 +1052,8 @@ static void acpi_device_set_id(struct acpi_device *device)
device->flags.bus_address = 1;
}
kfree(info);
/*
* Some devices don't reliably have _HIDs & _CIDs, so add
* synthetic HIDs to make sure drivers can find them.
@ -1325,13 +1327,8 @@ static int acpi_bus_scan(acpi_handle handle, struct acpi_bus_ops *ops,
struct acpi_device **child)
{
acpi_status status;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
void *device = NULL;
acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
printk(KERN_INFO PREFIX "Enumerating devices from [%s]\n",
(char *) buffer.pointer);
status = acpi_bus_check_add(handle, 0, ops, &device);
if (ACPI_SUCCESS(status))
acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,