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process: style

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We don't need to check if the parent is already set.
This is done already in the proc_reparent.

No functional behaviour changes intended.

MFC after:	1 month
This commit is contained in:
Mariusz Zaborski 2019-08-05 20:26:01 +00:00
parent a05cfdf479
commit 9f5103abab
1 changed files with 4 additions and 6 deletions
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10
sys/kern/sys_process.c
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@ -958,9 +958,7 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data)
* on a "detach".
*/
proc_set_traced(p, true);
if (p->p_pptr != td->td_proc) {
proc_reparent(p, td->td_proc, false);
}
proc_reparent(p, td->td_proc, false);
CTR2(KTR_PTRACE, "PT_ATTACH: pid %d, oppid %d", p->p_pid,
p->p_oppid);
@ -1109,7 +1107,7 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data)
p->p_pid, psr->sr_error, psr->sr_retval[0],
psr->sr_retval[1]);
break;
case PT_STEP:
case PT_CONTINUE:
case PT_TO_SCE:
@ -1219,8 +1217,8 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data)
sendsig:
MPASS(proctree_locked == 0);
/*
/*
* Clear the pending event for the thread that just
* reported its event (p_xthread). This may not be
* the thread passed to PT_CONTINUE, PT_STEP, etc. if