From: Arnd Bergmann <arnd@xxxxxxxx> Date: Wed, 6 Mar 2019 12:05:49 +0100 > On some architectures, the MMU can be disabled, leading to access_ok() > becoming an empty macro that does not evaluate its size argument, > which in turn produces an unused-variable warning: > > drivers/vhost/vhost.c:1191:9: error: unused variable 's' [-Werror,-Wunused-variable] > size_t s = vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0; > > Mark the variable as __maybe_unused to shut up that warning. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> I'll apply this, thanks Arnd.
