netfilter: nf_log: fix sparse warning in nf_logger_find_get()

net/netfilter/nf_log.c:157:16: warning: incorrect type in assignment (different address spaces)
net/netfilter/nf_log.c:157:16:    expected struct nf_logger *logger
net/netfilter/nf_log.c:157:16:    got struct nf_logger [noderef] <asn:4>*<noident>

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 9562e39..49a6417 100644 (file)
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -154,8 +154,7 @@ int nf_logger_find_get(int pf, enum nf_log_type type)
        struct nf_logger *logger;
        int ret = -ENOENT;
 
-       logger = loggers[pf][type];
-       if (logger == NULL)
+       if (rcu_access_pointer(loggers[pf][type]) == NULL)
                request_module("nf-logger-%u-%u", pf, type);
 
        rcu_read_lock();