unsigned int tries, read = 0;
if (WARN_ON(!pv))
- return 0;
+ return -ENXIO;
/* If we aren't open, don't do anything in order to avoid races
* with connection establishment. The hvc core will call this
int rc, adjcount = min(count, HVSI_MAX_OUTGOING_DATA);
if (WARN_ON(!pv))
- return 0;
+ return -ENODEV;
dp.hdr.type = VS_DATA_PACKET_HEADER;
dp.hdr.len = adjcount + sizeof(struct hvsi_header);