On Tue, 6 Oct 2020 at 06:12, <dmitry.torokhov@xxxxxxxxx> wrote: > > The order in which 'users' counter is decremented vs calling drivers' > close() method is implementation specific, and we should not rely on > it. Let's introduce driver private flag and use it to signal ISR > to exit when device is being closed. > > This has a side-effect of fixing issue of accessing inut->users > outside of input->mutex protection. > > Reported-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx> > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> > --- > > v2: switched from ordinary read/write to READ_ONCE/WRITE_ONCE per Michał > Mirosław > > drivers/iio/adc/exynos_adc.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Best regards, Krzysztof
