iport = (nport >> d->dshift) & 0x0f;
switch (iport) {
case 8: /* command */
- if (data && (data | CMD_NOT_SUPPORTED)) {
+ if ((data != 0) && (data & CMD_NOT_SUPPORTED)) {
log ("command %#x not supported\n", data);
- goto error;
+ return;
}
d->command = data;
break;
default:
log ("dma: unknown iport %#x\n", iport);
- goto error;
+ break;
}
#ifdef DEBUG_DMA
nport, ichan, data);
}
#endif
- return;
-
- error:
- abort ();
}
static uint32_t read_cont (void *opaque, uint32_t nport)