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If the pointer to the new itimerval is NULL in kern_setitimer(), just

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read the old value via kern_getitimer().
This commit is contained in:
John Baldwin 2005-02-07 21:45:48 +00:00
parent a4a3daa6f1
commit 5e85ac176f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=141483
1 changed files with 3 additions and 0 deletions
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3
sys/kern/kern_time.c
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@ -516,6 +516,9 @@ kern_setitimer(struct thread *td, u_int which, struct itimerval *aitv,
struct proc *p = td->td_proc;
struct timeval ctv;
if (aitv == NULL)
return (kern_getitimer(td, which, oitv));
if (which > ITIMER_PROF)
return (EINVAL);
if (itimerfix(&aitv->it_value))