diff --git a/sys/compat/linux/linux_ipc.c b/sys/compat/linux/linux_ipc.c index a26871bc7448..aa4deef64145 100644 --- a/sys/compat/linux/linux_ipc.c +++ b/sys/compat/linux/linux_ipc.c @@ -227,7 +227,7 @@ linux_semctl(struct thread *td, struct linux_semctl_args *args) /* Make sure the arg parameter can be copied in. */ unptr = stackgap_alloc(&sg, sizeof(union semun)); - bcopy(unptr, &args->arg, sizeof(union semun)); + bcopy(&args->arg, unptr, sizeof(union semun)); bsd_args.semid = args->semid; bsd_args.semnum = args->semnum;