On !SMP systems spinlocks do not exist. Thus checking of they are active will always fail.
Use assert_spin_locked(lock); instead of BUG_ON(!spin_is_locked(lock)); to not BUG() on all UP systems.
Signed-off-by: Bruno Prémont bonbons@linux-vserver.org --- drivers/gpu/drm/msm/mdp/mdp_kms.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/mdp/mdp_kms.c b/drivers/gpu/drm/msm/mdp/mdp_kms.c index 03455b6..f5e2173 100644 --- a/drivers/gpu/drm/msm/mdp/mdp_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp_kms.c @@ -34,7 +34,7 @@ static void update_irq(struct mdp_kms *mdp_kms) struct mdp_irq *irq; uint32_t irqmask = mdp_kms->vblank_mask;
- BUG_ON(!spin_is_locked(&list_lock)); + assert_spin_locked(&list_lock));
list_for_each_entry(irq, &mdp_kms->irq_list, node) irqmask |= irq->irqmask;