Lines Matching refs:rtn
1086 IOReturn rtn;
1144 rtn = kIOReturnSuccess;
1145 fCDCDriver = findCDCDriverAD(this, fPort.DataInterfaceNumber, &rtn);
1151 if (rtn == kIOReturnNotReady)
1927 IOReturn rtn = kIOReturnSuccess;
1955 rtn = watchStateGated(&busyState, &mask);
1956 if ((rtn == kIOReturnIOError) || (rtn == kIOReturnSuccess))
1962 return rtn;
1976 rtn = kIOReturnNoMemory;
1989 rtn = fPort.InPipe->Read(fPort.inPool[i].pipeMDP, &fPort.inPool[i].completionInfo, NULL);
1990 if (rtn != kIOReturnSuccess)
1992 XTRACE(this, i, rtn, "acquirePortGated - Read for bulk-in pipe failed");
1999 if (rtn == kIOReturnSuccess)
2045 return rtn;
3262 IOReturn rtn = kIOReturnSuccess;
3293 rtn = watchStateGated(&state, &mask);
3294 if (rtn != kIOReturnSuccess)
3296 XTRACE(this, 0, rtn, "enqueueDataGated - interrupted");
3297 return rtn;
3401 IOReturn rtn = kIOReturnSuccess;
3437 rtn = watchStateGated(&state, &mask);
3439 if (rtn != kIOReturnSuccess)
3441 XTRACE(this, 0, rtn, "dequeueDataGated - Interrupted!");
3442 return rtn;
3474 return rtn;
3711 IOReturn rtn = kIOReturnSuccess;
3717 rtn = thePipe->GetPipeStatus();
3718 if (rtn != kIOUSBPipeStalled)
3720 XTRACE(this, 0, rtn, "checkPipe - Pipe not stalled");
3721 return rtn;
3725 rtn = thePipe->ClearPipeStall(true);
3726 if (rtn == kIOReturnSuccess)
3730 XTRACE(this, 0, rtn, "checkPipe - ClearPipeStall Failed");
3733 return rtn;
4308 IOReturn rtn;
4335 rtn = fPort.InPipe->Read(fPort.inPool[i].pipeMDP, &fPort.inPool[i].completionInfo, NULL);
4336 if (rtn != kIOReturnSuccess)
4338 XTRACE(this, i, rtn, "resurrectRead - Read for bulk-in pipe failed, still dead");