diff options
Diffstat (limited to 'linux/i830_dma.c')
| -rw-r--r-- | linux/i830_dma.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/linux/i830_dma.c b/linux/i830_dma.c index 8cd76cf4..519007f9 100644 --- a/linux/i830_dma.c +++ b/linux/i830_dma.c @@ -160,6 +160,7 @@ static int i830_map_buffer(drm_buf_t *buf, struct file *filp) drm_i830_buf_priv_t *buf_priv = buf->dev_private; drm_i830_private_t *dev_priv = dev->dev_private; struct file_operations *old_fops; + unsigned long virtual; int retcode = 0; if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL; @@ -168,17 +169,17 @@ static int i830_map_buffer(drm_buf_t *buf, struct file *filp) old_fops = filp->f_op; filp->f_op = &i830_buffer_fops; dev_priv->mmap_buffer = buf; - buf_priv->virtual = (void __user *)do_mmap(filp, 0, buf->total, - PROT_READ|PROT_WRITE, - MAP_SHARED, - buf->bus_address); + virtual = do_mmap(filp, 0, buf->total, PROT_READ|PROT_WRITE, + MAP_SHARED, buf->bus_address); dev_priv->mmap_buffer = NULL; filp->f_op = old_fops; - if (IS_ERR(buf_priv->virtual)) { + if (IS_ERR((void *)virtual)) { /* ugh */ /* Real error */ DRM_ERROR("mmap error\n"); - retcode = PTR_ERR(buf_priv->virtual); + retcode = virtual; buf_priv->virtual = NULL; + } else { + buf_priv->virtual = (void __user *)virtual; } up_write( ¤t->mm->mmap_sem ); @@ -470,7 +471,7 @@ static int i830_dma_initialize(drm_device_t *dev, } int i830_dma_init(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long __user arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -478,7 +479,7 @@ int i830_dma_init(struct inode *inode, struct file *filp, drm_i830_init_t init; int retcode = 0; - if (copy_from_user(&init, (void __user *)arg, sizeof(init))) + if (copy_from_user(&init, (void * __user) arg, sizeof(init))) return -EFAULT; switch(init.func) { @@ -1172,19 +1173,19 @@ static void i830_dma_dispatch_vertex(drm_device_t *dev, DRM_DEBUG( "start + used - 4 : %ld\n", start + used - 4); if (buf_priv->currently_mapped == I830_BUF_MAPPED) { - u32 *vp = buf_priv->virtual; + u32 __user *vp = buf_priv->virtual; - DRM_PUT_USER_UNCHECKED(&vp[0], (GFX_OP_PRIMITIVE | + put_user( (GFX_OP_PRIMITIVE | sarea_priv->vertex_prim | - ((used/4)-2))); + ((used/4)-2)), &vp[0]); if (dev_priv->use_mi_batchbuffer_start) { - DRM_PUT_USER_UNCHECKED(&vp[used/4], MI_BATCH_BUFFER_END); + put_user(MI_BATCH_BUFFER_END, &vp[used/4]); used += 4; } if (used & 4) { - DRM_PUT_USER_UNCHECKED(&vp[used/4], 0); + put_user(0, &vp[used/4]); used += 4; } @@ -1322,7 +1323,7 @@ void i830_reclaim_buffers( struct file *filp ) } int i830_flush_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long __user arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -1337,7 +1338,7 @@ int i830_flush_ioctl(struct inode *inode, struct file *filp, } int i830_dma_vertex(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long __user arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -1372,7 +1373,7 @@ int i830_dma_vertex(struct inode *inode, struct file *filp, } int i830_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long __user arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -1399,7 +1400,7 @@ int i830_clear_bufs(struct inode *inode, struct file *filp, } int i830_swap_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long __user arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -1463,7 +1464,7 @@ int i830_flip_bufs(struct inode *inode, struct file *filp, } int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long __user arg) + unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -1477,7 +1478,7 @@ int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd, } int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long __user arg) + unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -1514,7 +1515,7 @@ int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, int i830_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long __user arg) + unsigned long arg) { /* Never copy - 2.4.x doesn't need it */ return 0; @@ -1529,7 +1530,7 @@ int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd, int i830_getparam( struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long __user arg ) + unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -1563,7 +1564,7 @@ int i830_getparam( struct inode *inode, struct file *filp, unsigned int cmd, int i830_setparam( struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long __user arg ) + unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; |