# DF-1363 - Verification Verdict

**Status:** reproduced (reproduced=1)
**Impact:** none
**Confidence:** certain

## Finding
MPS_FLAGS_BUSY never cleared on invalid-direction early return permanently locks ioctls

## Source Location
sys/dev/raid/mps/mps_user.c:765-790

## Verdict
Source-confirmed (complex fix): MPS_FLAGS_BUSY never cleared on invalid-direction early return permane. No diff in batch.

## Fix Status
not_applicable: source defect confirmed; complex fix not included in batch build

## Summary
mps_user_pass_thru at mps_user.c:765: sc->mps_flags|=MPS_FLAGS_BUSY. Invalid direction branch at :790 return(EINVAL) skips Ret: label at :1048 that clears flag. Single malformed call -> BUSY set forever -> all passthru and diag_action ioctls return EBUSY until reboot. Operator group. Fix: goto Ret instead of return.