Re: [Xen-devel] [PATCH 21/29] drivers, s390: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t

[Benjamin Block <bblock@xxxxxxxxxxxxxxxxxx>]

On Mon, Mar 06, 2017 at 04:27:11PM +0100, Johannes Thumshirn wrote:
> On 03/06/2017 03:21 PM, Elena Reshetova wrote:
> > refcount_t type and corresponding API should be
> > used instead of atomic_t when the variable is used as
> > a reference counter. This allows to avoid accidental
> > refcounter overflows that might lead to use-after-free
> > situations.
> 
> The subject is wrong, should be something like "scsi: libfc convert
> fc_fcp_pkt.ref_cnt from atomic_t to refcount_t" but not s390.
> 

Yes please, I was extremely confused for a moment here.



                                                    Beste Grüße / Best regards,
                                                      - Benjamin Block
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