diff options
| -rw-r--r-- | sys/kern/sysv_sem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/sysv_sem.c b/sys/kern/sysv_sem.c index e7d1c5a..48548a2 100644 --- a/sys/kern/sysv_sem.c +++ b/sys/kern/sysv_sem.c @@ -826,9 +826,9 @@ kern_semctl(struct thread *td, int semid, int semnum, int cmd, mtx_unlock(sema_mtxp); array = malloc(sizeof(*array) * count, M_TEMP, M_WAITOK); error = copyin(arg->array, array, count * sizeof(*array)); + mtx_lock(sema_mtxp); if (error) break; - mtx_lock(sema_mtxp); if ((error = semvalid(semid, semakptr)) != 0) goto done2; KASSERT(count == semakptr->u.sem_nsems, ("nsems changed")); |
