From 07f4f8bf436e3f389a12cb792ad16275b9091b51 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 16 Apr 2009 13:46:12 -0700 Subject: drm/i915: Don't let an oops get triggered from irq_emit without dma init. Userland is broken if it's trying this, but we also shouldn't allow oopses. Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm') diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index ee7ce7b78cf7..98bb4c878c4e 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -406,7 +406,7 @@ int i915_irq_emit(struct drm_device *dev, void *data, drm_i915_irq_emit_t *emit = data; int result; - if (!dev_priv) { + if (!dev_priv || !dev_priv->ring.virtual_start) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } -- cgit v1.2.1