209 	if (kIOReturnSuccess != setSpecification(outSegFunc, segmentOptions,  in initWithSpecification()
341 	return kIOReturnSuccess;  in setSpecification()
390 	IOReturn err = kIOReturnSuccess;  in setMemoryDescriptor()
398 		return kIOReturnSuccess;  in setMemoryDescriptor()
462 	return kIOReturnSuccess;  in clearMemoryDescriptor()
543 		return kIOReturnSuccess;  in segmentOp()
610 	return kIOReturnSuccess;  in segmentOp()
626 	IOReturn     ret = kIOReturnSuccess;  in walkAll()
687 					ret = kIOReturnSuccess;  in walkAll()
724 					ret = (bytes == state->fPreparedLength) ? kIOReturnSuccess : kIOReturnUnderrun;  in walkAll()
726 					ret = kIOReturnSuccess;  in walkAll()
788 	if (kIOReturnSuccess != ret) {  in prepareWithSpecification()
830 	IOReturn                  ret = kIOReturnSuccess;  in prepare()
919 			if ((kIOReturnSuccess == ret)  in prepare()
952 						assert(kIOReturnSuccess == ret);  in prepare()
953 						if (ret != kIOReturnSuccess) {  in prepare()
959 					if (ret != kIOReturnSuccess) {  in prepare()
994 						if (ret != kIOReturnSuccess) {  in prepare()
1034 			if (kIOReturnSuccess == ret) {  in prepare()
1040 		if (kIOReturnSuccess == ret) {  in prepare()
1051 	IOReturn               ret   = kIOReturnSuccess;  in complete()
1126 	return kIOReturnSuccess;  in getPreparedOffsetAndLength()
1133 	IOReturn               ret   = kIOReturnSuccess;  in synchronize()
1147 			return kIOReturnSuccess;  in synchronize()
1156 		return kIOReturnSuccess;  in synchronize()
1221 	return context->remaining ? kIOReturnSuccess : kIOReturnOverrun;  in transferSegment()
1281 	IOReturn               ret  = kIOReturnSuccess;  in genIOVMSegments()
1344 					rtn = kIOReturnSuccess;  in genIOVMSegments()
1402 					rtn = kIOReturnSuccess;  in genIOVMSegments()
1417 			    && (rtn == kIOReturnSuccess)  in genIOVMSegments()
1439 			if (rtn == kIOReturnSuccess) {  in genIOVMSegments()
1602 			if (kIOReturnSuccess != ret) {  in genIOVMSegments()
1617 	if (kIOReturnSuccess == ret) {  in genIOVMSegments()
1631 	IOReturn ret = kIOReturnSuccess;  in clientOutputSegment()