Re: [PATCH 24/29] drivers: convert iblock_req.pending from atomic_t to refcount_t

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Hi Elena,

On Mon, 2017-03-06 at 16:21 +0200, 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.
> 
> Signed-off-by: Elena Reshetova <elena.reshetova@xxxxxxxxx>
> Signed-off-by: Hans Liljestrand <ishkamiel@xxxxxxxxx>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Signed-off-by: David Windsor <dwindsor@xxxxxxxxx>
> ---
>  drivers/target/target_core_iblock.c | 12 ++++++------
>  drivers/target/target_core_iblock.h |  3 ++-
>  2 files changed, 8 insertions(+), 7 deletions(-)

After reading up on this thread, it looks like various subsystem
maintainers are now picking these atomic_t -> refcount_t conversions..

That said, applied to target-pending/for-next and will plan to include
for v4.12-rc1 merge window.

Thanks!

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