On Thu, Oct 27, 2016 at 10:19:45AM +1100, Russell Currey wrote:
> eeh_pe_bus_get() can return NULL if a PCI bus isn't found for a given PE.
> Some callers don't check this, and can cause a null pointer dereference
> under certain circumstances.
>
> Fix this by checking NULL everywhere eeh_pe_bus_get() is called.
>
> Fixes: 8a6b1bc70dbb ("powerpc/eeh: EEH core to handle special event")
> Cc: stable@xxxxxxxxxxxxxxx # v3.11+
> Signed-off-by: Russell Currey <ruscur@xxxxxxxxxx>
> Reviewed-by: Andrew Donnellan <andrew.donnellan@xxxxxxxxxxx>
> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> ---
> this specific patch for 4.4 only
Why? I can't take a "specific patch only" unless you have a whole lot
of good description about why, and how, and what, and everything else...
Why can't I just take a patch that is already in Linus's tree? Whenever
we don't do that, it always (yes really), ends up being wrong.
thanks,
greg k-h
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