This one's easy - we're already calling kzalloc() in this function, so we must already be guaranteed to have IRQs enabled when calling this. So, use the plain _irq() variants of spin_(un)lock() to make this more obvious.
Signed-off-by: Lyude Paul lyude@redhat.com Cc: Daniel Vetter daniel@ffwll.ch --- drivers/gpu/drm/drm_vblank.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c index 51f2e988205e7..64610070ba473 100644 --- a/drivers/gpu/drm/drm_vblank.c +++ b/drivers/gpu/drm/drm_vblank.c @@ -1611,7 +1611,6 @@ static int drm_queue_vblank_event(struct drm_device *dev, unsigned int pipe, struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; struct drm_pending_vblank_event *e; ktime_t now; - unsigned long flags; u64 seq; int ret;
@@ -1633,7 +1632,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, unsigned int pipe, e->event.vbl.crtc_id = crtc->base.id; }
- spin_lock_irqsave(&dev->event_lock, flags); + spin_lock_irq(&dev->event_lock);
/* * drm_crtc_vblank_off() might have been called after we called @@ -1670,12 +1669,12 @@ static int drm_queue_vblank_event(struct drm_device *dev, unsigned int pipe, vblwait->reply.sequence = req_seq; }
- spin_unlock_irqrestore(&dev->event_lock, flags); + spin_unlock_irq(&dev->event_lock);
return 0;
err_unlock: - spin_unlock_irqrestore(&dev->event_lock, flags); + spin_unlock_irq(&dev->event_lock); kfree(e); err_put: drm_vblank_put(dev, pipe);