Re: [PATCH 15/16] drivers, net, intersil: convert hostap_cmd_queue.usecnt from atomic_t to refcount_t

From: Kalle Valo
Date: Mon Apr 03 2017 - 07:39:05 EST


Elena Reshetova <elena.reshetova@xxxxxxxxx> writes:

> 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/net/wireless/intersil/hostap/hostap_hw.c | 12 ++++++------
> drivers/net/wireless/intersil/hostap/hostap_wlan.h | 3 ++-
> 2 files changed, 8 insertions(+), 7 deletions(-)

The prefix should be "hostap:", I'll fix that.

--
Kalle Valo