From: Thomas Renninger on
On Monday 28 June 2010 03:30:45 Axel Lin wrote:
> When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER,
> the caller must kfree the returned buffer if AE_OK is returned.
Oops, I forgot to free the buffer...
Thanks!

Matthew, can you queue this up, please.
It's a safe memleak fix (if wmi driver is loaded with debug_event=1).

Signed-off-by: Thomas Renninger <trenn(a)suse.de>

Thomas
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From: Matthew Garrett on
On Mon, Jun 28, 2010 at 09:30:45AM +0800, Axel Lin wrote:
> When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER,
> the caller must kfree the returned buffer if AE_OK is returned.
>
> The callers of wmi_get_event_data() pass ACPI_ALLOCATE_BUFFER,
> and thus must check its return value before accessing
> or kfree() on the buffer.
>
> This patch adds return value checking for wmi_get_event_data()
> and adds a missing kfree(obj) in the end of wmi_notify_debug

Applied, thanks.

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Matthew Garrett | mjg59(a)srcf.ucam.org
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