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| author | Tavian Barnes <tavianator@tavianator.com> | 2024-05-25 11:54:14 -0400 |
|---|---|---|
| committer | Tavian Barnes <tavianator@tavianator.com> | 2024-05-25 11:54:14 -0400 |
| commit | 598422e7678a719b37cc4221c637b840f4e13fcc (patch) | |
| tree | 320093f34c26879f63b5567936161d51e34355c3 /src/sighook.c | |
| parent | 2b72ce2ac0908dae4a39d30b91a28106928168b0 (diff) | |
| download | bfs-598422e7678a719b37cc4221c637b840f4e13fcc.tar.xz | |
sighook: Allow sigunhook(NULL)
Diffstat (limited to 'src/sighook.c')
| -rw-r--r-- | src/sighook.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; |