[PATCH] mmc annotation

Signed-off-by: Al Viro <viro@parcelfarce.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/mmc/mmc_block.c

@@ -124,7 +124,7 @@ mmc_blk_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned
 		geo.sectors	= 16;
 		geo.start	= get_start_sect(bdev);
 
-		return copy_to_user((void *)arg, &geo, sizeof(geo))
+		return copy_to_user((void __user *)arg, &geo, sizeof(geo))
 			? -EFAULT : 0;
 	}