CC [M]  drivers/char/drm/i810_dma.o
drivers/char/drm/i810_dma.c: In function 'i810_map_buffer':
drivers/char/drm/i810_dma.c:147: warning: cast from pointer to integer of different size
drivers/char/drm/i810_dma.c: In function 'i810_dma_dispatch_vertex':
drivers/char/drm/i810_dma.c:811: warning: cast from pointer to integer of different size
drivers/char/drm/i810_dma.c:811: warning: cast to pointer from integer of different size
drivers/char/drm/i810_dma.c: In function 'i810_dma_dispatch_mc':
drivers/char/drm/i810_dma.c:1169: warning: cast from pointer to integer of different size
drivers/char/drm/i810_dma.c:1169: warning: cast to pointer from integer of different size

First warning result from open-coded PTR_ERR,
the rest is caused by code like this:

*(u32 *) ((u32) buf_priv->kernel_virtual + used)

Patch fixes this. Please apply.
--
vda