Re: mbcache: fix to detect failure of register_shrinker

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On Mon, May 16, 2016 at 11:16:38PM +0800, Chao Yu wrote:
> From: Chao Yu <yuchao0@xxxxxxxxxx>
> 
> register_shrinker in mb_cache_create may fail due to no memory. This
> patch fixes to do the check of return value of register_shrinker and
> handle the error case, otherwise mb_cache_create may return with no
> error, but losing the inner shrinker.
> 
> Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
> Reviewed-by: Jan Kara <jack@xxxxxxx>

Applied, thanks.  (Apologies for the delay; this patch slipped through
the cracks.)

					- Ted
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