[PATCH 08/17] nvme: use kref_get_unless_zero in nvme_find_get_ns

[Hannes Reinecke]

On 10/23/2017 04:51 PM, Christoph Hellwig wrote:
> For kref_get_unless_zero to protect against lookup vs free races we need
> to use it in all places where we aren't guaranteed to already hold a
> reference.  There is no such guarantee in nvme_find_get_ns, so switch to
> kref_get_unless_zero in this function.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Reviewed-by: Sagi Grimberg <sagi at grimberg.me>
> Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
> ---
>  drivers/nvme/host/core.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes
-- 
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