From 598422e7678a719b37cc4221c637b840f4e13fcc Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Sat, 25 May 2024 11:54:14 -0400 Subject: sighook: Allow sigunhook(NULL) --- src/sighook.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/sighook.c') diff --git a/src/sighook.c b/src/sighook.c index ff5b96f..ece8147 100644 --- a/src/sighook.c +++ b/src/sighook.c @@ -584,6 +584,10 @@ done: } void sigunhook(struct sighook *hook) { + if (!hook) { + return; + } + mutex_lock(&sigmutex); struct rcu *rcu = hook->sig ? &rcu_sighooks : &rcu_exithooks; -- cgit v1.2.3