Message ID | 20200223171945.11391-1-frextrite@gmail.com |
---|---|
State | Not Applicable |
Delegated to: | Pablo Neira |
Headers | show |
Series | [1/2] netfilter: Pass lockdep expression to __instance_lookup traversal | expand |
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 0ba020ca38e6..09acc579b566 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -104,7 +104,8 @@ __instance_lookup(struct nfnl_log_net *log, u_int16_t group_num) struct nfulnl_instance *inst; head = &log->instance_table[instance_hashfn(group_num)]; - hlist_for_each_entry_rcu(inst, head, hlist) { + hlist_for_each_entry_rcu(inst, head, hlist, + lockdep_is_held(&log->instances_lock)) { if (inst->group_num == group_num) return inst; }
log->instance_table[] may be traversed outside RCU read-side critical section but under the protection of log->instances_lock. Hence, add the corresponding lockdep expression to silence false-positive warnings. Signed-off-by: Amol Grover <frextrite@gmail.com> --- net/netfilter/nfnetlink_log.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)