drm/nouveau: fix off-by-one

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
mariux64 · Jun 23, 2011 · 9a11dd6 · 9a11dd6
1 parent 6d13e9c
commit 9a11dd6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -125,7 +125,7 @@ nouveau_gpuobj_mthd_call2(struct drm_device *dev, int chid,
 	int ret = -EINVAL;
 
 	spin_lock_irqsave(&dev_priv->channels.lock, flags);
-	if (chid > 0 && chid < dev_priv->engine.fifo.channels)
+	if (chid >= 0 && chid < dev_priv->engine.fifo.channels)
 		chan = dev_priv->channels.ptr[chid];
 	if (chan)
 		ret = nouveau_gpuobj_mthd_call(chan, class, mthd, data);