diff options
| author | davidxu <davidxu@FreeBSD.org> | 2006-09-03 00:07:37 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2006-09-03 00:07:37 +0000 |
| commit | b73a4c5234b73294179df7c1a7931d1cb2d13226 (patch) | |
| tree | ab71a6a287bbfd5afc625291f143d2957284e8d5 /sys/kern/kern_umtx.c | |
| parent | 30c9ad00f1ed82f38f2e6a231af2e09f1475f002 (diff) | |
| download | FreeBSD-src-b73a4c5234b73294179df7c1a7931d1cb2d13226.zip FreeBSD-src-b73a4c5234b73294179df7c1a7931d1cb2d13226.tar.gz | |
Check if it is root user in do_unlock_pp.
Diffstat (limited to 'sys/kern/kern_umtx.c')
| -rw-r--r-- | sys/kern/kern_umtx.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/kern/kern_umtx.c b/sys/kern/kern_umtx.c index 2c41fe0..25ff748 100644 --- a/sys/kern/kern_umtx.c +++ b/sys/kern/kern_umtx.c @@ -1827,10 +1827,11 @@ do_unlock_pp(struct thread *td, struct umutex *m, uint32_t flags) struct umtx_pi *pi; uint32_t owner, id; uint32_t rceiling; - int error, pri, new_inherited_pri; + int error, pri, new_inherited_pri, su; id = td->td_tid; uq = td->td_umtxq; + su = (suser(td) == 0); /* * Make sure we own this mtx. @@ -1879,7 +1880,8 @@ do_unlock_pp(struct thread *td, struct umutex *m, uint32_t flags) error = EFAULT; else { mtx_lock_spin(&sched_lock); - uq->uq_inherited_pri = new_inherited_pri; + if (su != 0) + uq->uq_inherited_pri = new_inherited_pri; pri = PRI_MAX; TAILQ_FOREACH(pi, &uq->uq_pi_contested, pi_link) { uq2 = TAILQ_FIRST(&pi->pi_blocked); |
