if (!(speed)) 
if (!speed) return 0;  /* If we don't have any timings we can't do a lot */ if (info->speed == NULL) 
static int config_chipset_for_dma (ide_drive_t *drive){	u8 speed = ide_dma_speed(drive, hpt3xx_ratemask(drive));	if (!(speed))		return 0;	(void) hpt3xx_tune_chipset(drive, speed);	return ide_dma_enable(drive);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b39b01ffb75e14ed76510e4229ffb575007df0fb/hpt366.c/buggy/drivers/ide/pci/hpt366.c