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[src-draft/trunk]: src/sys/net Dont destroy a null pfil head.
details: https://anonhg.NetBSD.org/src-all/rev/b48e77610af7
branches: trunk
changeset: 374890:b48e77610af7
user: Nathanial Sloss <nat%netbsd.org@localhost>
date: Mon May 11 09:34:06 2020 +1000
description:
Dont destroy a null pfil head.
diffstat:
sys/net/pfil.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diffs (13 lines):
diff -r c205c138ba0d -r b48e77610af7 sys/net/pfil.c
--- a/sys/net/pfil.c Mon May 11 09:32:30 2020 +1000
+++ b/sys/net/pfil.c Mon May 11 09:34:06 2020 +1000
@@ -138,6 +138,9 @@ pfil_head_create(int type, void *key)
void
pfil_head_destroy(pfil_head_t *pfh)
{
+ if (pfh == NULL)
+ return;
+
LIST_REMOVE(pfh, ph_list);
psref_target_destroy(&pfh->ph_in.active->psref, pfil_psref_class);
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