patch from bug 1803 - will try and push to kernel soon

3 files changed, 16 insertions, 64 deletions

diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index e9831352..ab33cb19 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -1008,10 +1008,7 @@ int i810_flush_ioctl(struct inode *inode, struct file *filp,
 	drm_file_t *priv = filp->private_data;
 	drm_device_t *dev = priv->head->dev;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_flush_ioctl called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	i810_flush_queue(dev);
 	return 0;
@@ -1033,10 +1030,7 @@ int i810_dma_vertex(struct inode *inode, struct file *filp,
 	    (&vertex, (drm_i810_vertex_t __user *) arg, sizeof(vertex)))
 		return -EFAULT;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_dma_vertex called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n",
 		  vertex.idx, vertex.used, vertex.discard);
@@ -1067,10 +1061,7 @@ int i810_clear_bufs(struct inode *inode, struct file *filp,
 	    (&clear, (drm_i810_clear_t __user *) arg, sizeof(clear)))
 		return -EFAULT;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_clear_bufs called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	/* GH: Someone's doing nasty things... */
 	if (!dev->dev_private) {
@@ -1090,10 +1081,7 @@ int i810_swap_bufs(struct inode *inode, struct file *filp,
 
 	DRM_DEBUG("i810_swap_bufs\n");
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_swap_buf called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	i810_dma_dispatch_swap(dev);
 	return 0;
@@ -1128,10 +1116,7 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
 	if (copy_from_user(&d, (drm_i810_dma_t __user *) arg, sizeof(d)))
 		return -EFAULT;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_dma called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	d.granted = 0;
 
@@ -1236,10 +1221,7 @@ int i810_dma_mc(struct inode *inode, struct file *filp,
 	if (copy_from_user(&mc, (drm_i810_mc_t __user *) arg, sizeof(mc)))
 		return -EFAULT;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_dma_mc called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	if (mc.idx >= dma->buf_count || mc.idx < 0)
 		return -EINVAL;
@@ -1288,10 +1270,7 @@ int i810_fstatus(struct inode *inode, struct file *filp,
 	drm_device_t *dev = priv->head->dev;
 	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_fstatus called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 	return I810_READ(0x30008);
 }
 
@@ -1302,10 +1281,7 @@ int i810_ov0_flip(struct inode *inode, struct file *filp,
 	drm_device_t *dev = priv->head->dev;
 	drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_ov0_flip called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 	//Tell the overlay to update
 	I810_WRITE(0x30000, dev_priv->overlay_physical | 0x80000000);
 
@@ -1345,10 +1321,7 @@ int i810_flip_bufs(struct inode *inode, struct file *filp,
 
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i810_flip_buf called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	if (!dev_priv->page_flipping)
 		i810_do_init_pageflip(dev);
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c
index c2a003ee..1ff1b5a2 100644
--- a/linux-core/i830_dma.c
+++ b/linux-core/i830_dma.c
@@ -1288,10 +1288,7 @@ int i830_flush_ioctl(struct inode *inode, struct file *filp,
 	drm_file_t *priv = filp->private_data;
 	drm_device_t *dev = priv->head->dev;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_flush_ioctl called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	i830_flush_queue(dev);
 	return 0;
@@ -1313,10 +1310,7 @@ int i830_dma_vertex(struct inode *inode, struct file *filp,
 	    (&vertex, (drm_i830_vertex_t __user *) arg, sizeof(vertex)))
 		return -EFAULT;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_dma_vertex called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
 		  vertex.idx, vertex.used, vertex.discard);
@@ -1345,10 +1339,7 @@ int i830_clear_bufs(struct inode *inode, struct file *filp,
 	    (&clear, (drm_i830_clear_t __user *) arg, sizeof(clear)))
 		return -EFAULT;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_clear_bufs called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	/* GH: Someone's doing nasty things... */
 	if (!dev->dev_private) {
@@ -1369,10 +1360,7 @@ int i830_swap_bufs(struct inode *inode, struct file *filp,
 
 	DRM_DEBUG("i830_swap_bufs\n");
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_swap_buf called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	i830_dma_dispatch_swap(dev);
 	return 0;
@@ -1411,10 +1399,7 @@ int i830_flip_bufs(struct inode *inode, struct file *filp,
 
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_flip_buf called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	if (!dev_priv->page_flipping)
 		i830_do_init_pageflip(dev);
@@ -1453,10 +1438,7 @@ int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
 	if (copy_from_user(&d, (drm_i830_dma_t __user *) arg, sizeof(d)))
 		return -EFAULT;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_dma called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	d.granted = 0;
 
diff --git a/linux-core/i830_irq.c b/linux-core/i830_irq.c
index 586ceae2..4f592e48 100644
--- a/linux-core/i830_irq.c
+++ b/linux-core/i830_irq.c
@@ -124,10 +124,7 @@ int i830_irq_emit(struct inode *inode, struct file *filp, unsigned int cmd,
 	drm_i830_irq_emit_t emit;
 	int result;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_irq_emit called without lock held\n");
-		return -EINVAL;
-	}
+	LOCK_TEST_WITH_RETURN(dev, filp);
 
 	if (!dev_priv) {
 		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);