diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2023-11-28 12:51:54 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2023-11-28 17:29:58 +0000 |
| commit | ed410b78edc53e17b5a3e93ace2adbeb3a734ae9 (patch) | |
| tree | 047a1e981e5d605200cc5d8c38ed7bf35c0755b7 | |
| parent | 877ef685322f795c071da9657bb490730d8cbb89 (diff) | |
EVFILT_SIGNAL: do not use target process pointer on detach
It is enough to know knlist to remove from it, and the list is
autodestroyed on last removal.
PR: 275286
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D42777
| -rw-r--r-- | sys/kern/kern_sig.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 230564adf823..a2ca74ac9183 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -4296,9 +4296,7 @@ filt_sigattach(struct knote *kn) static void filt_sigdetach(struct knote *kn) { - struct proc *p = kn->kn_ptr.p_proc; - - knlist_remove(p->p_klist, kn, 0); + knlist_remove(kn->kn_knlist, kn, 0); } /* |