[Cbe-oss-dev] [PATCH] spusched: fix null pointer dereference in find_victim

[Arnd Bergmann]

On Tuesday 31 July 2007, Christoph Hellwig wrote:
> find_victim can dereference a NULL pointer when iterating over the list
> of victim spus because list_mutex only guarantees spu->ct to be stable,
> but of course not to be non-NULL.
> 
> Also fix find_victim to not call spu_unbind_context without list_mutex
> because that violates the above guarantee.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Acked-by: Arnd Bergmann <arnd.bergmann at de.ibm.com>