printk(KERN_ERR "fb: xres %d yres %d\n", var.xres_virtual, var.yres_virtual); 
static ssize_t store_virtual(struct class_device *class_device,			     const char * buf, size_t count){	struct fb_info *fb_info =		(struct fb_info *)class_get_devdata(class_device);	struct fb_var_screeninfo var;	char *last = NULL;	int err;	var = fb_info->var;	var.xres_virtual = simple_strtoul(buf, &last, 0);	last++;	if (last - buf >= count)		return -EINVAL;	var.yres_virtual = simple_strtoul(last, &last, 0);	printk(KERN_ERR "fb: xres %d yres %d\n", var.xres_virtual,	       var.yres_virtual);	if ((err = activate(fb_info, &var)))		return err;	return count;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/70c1a0a49b75854fbc78713bf753b5b4c6f0a421/fbsysfs.c/buggy/drivers/video/fbsysfs.c