diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2026-05-20 00:49:09 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2026-05-20 13:31:30 +0000 |
| commit | d9c31658df8492a5666e799c2b267c425cb8f468 (patch) | |
| tree | 2f3fef5784fd6f1fa5f10a3db6db171e1912e664 | |
| parent | 9096a8b1c89c7e98df0d5a27cf1a5f4c6e8ddf19 (diff) | |
kern_umtx.c: remove dead code
It was a placeholder for the access control for process-shared umtx
memory, which is not needed.
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Differential revision: https://reviews.freebsd.org/D57122
| -rw-r--r-- | sys/kern/kern_umtx.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/sys/kern/kern_umtx.c b/sys/kern/kern_umtx.c index 905ebd4f98ac..d9798fb2adb6 100644 --- a/sys/kern/kern_umtx.c +++ b/sys/kern/kern_umtx.c @@ -4624,17 +4624,12 @@ umtx_shm(struct thread *td, void *addr, u_int flags) if ((flags & UMTX_SHM_DESTROY) != 0) { umtx_shm_unref_reg(reg, true); } else { -#if 0 -#ifdef MAC - error = mac_posixshm_check_open(td->td_ucred, - reg->ushm_obj, FFLAGS(O_RDWR)); - if (error == 0) -#endif - error = shm_access(reg->ushm_obj, td->td_ucred, - FFLAGS(O_RDWR)); - if (error == 0) -#endif - error = falloc_caps(td, &fp, &fd, O_CLOEXEC, NULL); + /* + * The current vmspace has the mapping, so it can be + * converted into shm filedescriptor for current + * thread. + */ + error = falloc_caps(td, &fp, &fd, O_CLOEXEC, NULL); if (error == 0) { shm_hold(reg->ushm_obj); finit(fp, FFLAGS(O_RDWR), DTYPE_SHM, reg->ushm_obj, |