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Check if it is root user in do_unlock_pp.

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This commit is contained in:
David Xu 2006-09-03 00:07:37 +00:00
parent 647ef1a927
commit 295ce693b9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=161926
1 changed files with 4 additions and 2 deletions
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6
sys/kern/kern_umtx.c
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@ -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);