209 	if (kIOReturnSuccess != setSpecification(outSegFunc, segmentOptions,  in initWithSpecification()
340 	return kIOReturnSuccess;  in setSpecification()
386 	IOReturn err = kIOReturnSuccess;  in setMemoryDescriptor()
394 		return kIOReturnSuccess;  in setMemoryDescriptor()
458 	return kIOReturnSuccess;  in clearMemoryDescriptor()
539 		return kIOReturnSuccess;  in segmentOp()
606 	return kIOReturnSuccess;  in segmentOp()
622 	IOReturn     ret = kIOReturnSuccess;  in walkAll()
683 					ret = kIOReturnSuccess;  in walkAll()
720 					ret = (bytes == state->fPreparedLength) ? kIOReturnSuccess : kIOReturnUnderrun;  in walkAll()
722 					ret = kIOReturnSuccess;  in walkAll()
784 	if (kIOReturnSuccess != ret) {  in prepareWithSpecification()
826 	IOReturn                  ret = kIOReturnSuccess;  in prepare()
915 			if ((kIOReturnSuccess == ret)  in prepare()
948 						assert(kIOReturnSuccess == ret);  in prepare()
949 						if (ret != kIOReturnSuccess) {  in prepare()
955 					if (ret != kIOReturnSuccess) {  in prepare()
990 						if (ret != kIOReturnSuccess) {  in prepare()
1030 			if (kIOReturnSuccess == ret) {  in prepare()
1036 		if (kIOReturnSuccess == ret) {  in prepare()
1047 	IOReturn               ret   = kIOReturnSuccess;  in complete()
1122 	return kIOReturnSuccess;  in getPreparedOffsetAndLength()
1129 	IOReturn               ret   = kIOReturnSuccess;  in synchronize()
1143 			return kIOReturnSuccess;  in synchronize()
1152 		return kIOReturnSuccess;  in synchronize()
1217 	return context->remaining ? kIOReturnSuccess : kIOReturnOverrun;  in transferSegment()
1277 	IOReturn               ret  = kIOReturnSuccess;  in genIOVMSegments()
1340 					rtn = kIOReturnSuccess;  in genIOVMSegments()
1398 					rtn = kIOReturnSuccess;  in genIOVMSegments()
1413 			    && (rtn == kIOReturnSuccess)  in genIOVMSegments()
1435 			if (rtn == kIOReturnSuccess) {  in genIOVMSegments()
1598 			if (kIOReturnSuccess != ret) {  in genIOVMSegments()
1613 	if (kIOReturnSuccess == ret) {  in genIOVMSegments()
1627 	IOReturn ret = kIOReturnSuccess;  in clientOutputSegment()