dev->adev.users always needs to be increased when snd_em28xx_capture_open() is
called and succeeds.
Signed-off-by: NFrank Schäfer <fschaefer.oss@googlemail.com>
Cc: stable@vger.kernel.org
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>