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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2021-06-06 15:23:22 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2021-06-06 15:33:17 +0200 |
| commit | 7855bfe9305f2f0c1e92d6a47c389cbb1bb96ff9 (patch) | |
| tree | 825008f97308930a1885d1e4a1bd15dfc5f0448a /src/if_wg.c | |
| parent | global: replace rwlock with mtx if never rlocked (diff) | |
| download | wireguard-freebsd-7855bfe9305f2f0c1e92d6a47c389cbb1bb96ff9.tar.xz wireguard-freebsd-7855bfe9305f2f0c1e92d6a47c389cbb1bb96ff9.zip | |
if_wg: do not crash if deiniting before vnet is up
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src/if_wg.c')
| -rw-r--r-- | src/if_wg.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/if_wg.c b/src/if_wg.c index 73248a6..11b8394 100644 --- a/src/if_wg.c +++ b/src/if_wg.c @@ -3037,7 +3037,10 @@ wg_module_deinit(void) VNET_ITERATOR_DECL(vnet_iter); VNET_LIST_RLOCK(); VNET_FOREACH(vnet_iter) { - if_clone_detach(VNET_VNET(vnet_iter, wg_cloner)); + struct if_clone *clone = VNET_VNET(vnet_iter, wg_cloner); + if (!clone) + continue; + if_clone_detach(clone); VNET_VNET(vnet_iter, wg_cloner) = NULL; } VNET_LIST_RUNLOCK(); |