netfilter: nf_log regression fix
commit ca735b3aaa945626ba65a3e51145bfe4ecd9e222
'netfilter: use a linked list of loggers'
introduced an array of list_head in "struct nf_logger", but
forgot to initialize it in nf_log_register(). This resulted
in oops when calling nf_log_unregister() at module unload time.
Reported-and-tested-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: Eric Leblond <eric@inl.fr>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 8bb998f..beb3731 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -36,10 +36,14 @@
int nf_log_register(u_int8_t pf, struct nf_logger *logger)
{
const struct nf_logger *llog;
+ int i;
if (pf >= ARRAY_SIZE(nf_loggers))
return -EINVAL;
+ for (i = 0; i < ARRAY_SIZE(logger->list); i++)
+ INIT_LIST_HEAD(&logger->list[i]);
+
mutex_lock(&nf_log_mutex);
if (pf == NFPROTO_UNSPEC) {