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| author | Eric Anholt | 2009-04-16 22:46:12 +0200 |
|---|---|---|
| committer | Eric Anholt | 2009-04-17 22:30:50 +0200 |
| commit | 07f4f8bf436e3f389a12cb792ad16275b9091b51 (patch) | |
| tree | a3851f3db5201ac6b61fb8041f88a22f1c2eefe2 /drivers/gpu/drm/i915/i915_irq.c | |
| parent | drm/i915: allow tiled front buffers on 965+ (diff) | |
| download | kernel-qcow2-linux-07f4f8bf436e3f389a12cb792ad16275b9091b51.tar.gz kernel-qcow2-linux-07f4f8bf436e3f389a12cb792ad16275b9091b51.tar.xz kernel-qcow2-linux-07f4f8bf436e3f389a12cb792ad16275b9091b51.zip | |
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 <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; } |