fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / char / drm / i810_dma.c

diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index ae0aa6d..fa2de70 100644 (file)
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -106,7 +106,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
        unlock_kernel();
 
        if (io_remap_pfn_range(vma, vma->vm_start,
-                              VM_OFFSET(vma) >> PAGE_SHIFT,
+                              vma->vm_pgoff,
                               vma->vm_end - vma->vm_start, vma->vm_page_prot))
                return -EAGAIN;
        return 0;
@@ -126,7 +126,7 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp)
        drm_device_t *dev = priv->head->dev;
        drm_i810_buf_priv_t *buf_priv = buf->dev_private;
        drm_i810_private_t *dev_priv = dev->dev_private;
-       struct file_operations *old_fops;
+       const struct file_operations *old_fops;
        int retcode = 0;
 
        if (buf_priv->currently_mapped == I810_BUF_MAPPED)
@@ -141,10 +141,10 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp)
                                            MAP_SHARED, buf->bus_address);
        dev_priv->mmap_buffer = NULL;
        filp->f_op = old_fops;
-       if ((unsigned long)buf_priv->virtual > -1024UL) {
+       if (IS_ERR(buf_priv->virtual)) {
                /* Real error */
                DRM_ERROR("mmap error\n");
-               retcode = (signed int)buf_priv->virtual;
+               retcode = PTR_ERR(buf_priv->virtual);
                buf_priv->virtual = NULL;
        }
        up_write(&current->mm->mmap_sem);
@@ -808,7 +808,7 @@ static void i810_dma_dispatch_vertex(drm_device_t * dev,
                    ((GFX_OP_PRIMITIVE | prim | ((used / 4) - 2)));
 
                if (used & 4) {
-                       *(u32 *) ((u32) buf_priv->kernel_virtual + used) = 0;
+                       *(u32 *) ((char *) buf_priv->kernel_virtual + used) = 0;
                        used += 4;
                }
 
@@ -1166,7 +1166,7 @@ static void i810_dma_dispatch_mc(drm_device_t * dev, drm_buf_t * buf, int used,
 
        if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
                if (used & 4) {
-                       *(u32 *) ((u32) buf_priv->virtual + used) = 0;
+                       *(u32 *) ((char *) buf_priv->virtual + used) = 0;
                        used += 4;
                }