RE: [PATCH 12/29] drivers, media: convert s2255_dev.num_channels from atomic_t to refcount_t

2017-03-07 Thread Reshetova, Elena
> Hi Elena, > > On Mon, Mar 06, 2017 at 04:20:59PM +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-a

Re: [PATCH 12/29] drivers, media: convert s2255_dev.num_channels from atomic_t to refcount_t

2017-03-07 Thread Sakari Ailus
Hi Elena, On Mon, Mar 06, 2017 at 04:20:59PM +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 > sit

[PATCH 12/29] drivers, media: convert s2255_dev.num_channels from atomic_t to refcount_t

2017-03-06 Thread Elena Reshetova
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 Signed-off-by: Hans Liljestrand Signed-off-