[PATCH nf-next 1/4] netfilter: nf_log: handle NFPROTO_INET properly in nf_logger_[find_get|put]

[Liping Zhang]

From: Liping Zhang <liping.zh...@spreadtrum.com>

When we request NFPROTO_INET, it means both NFPROTO_IPV4 and NFPROTO_IPV6.

Signed-off-by: Liping Zhang <liping.zh...@spreadtrum.com>
---
 net/netfilter/nf_log.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index a5d41df..73b845d 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -159,6 +159,20 @@ int nf_logger_find_get(int pf, enum nf_log_type type)
        struct nf_logger *logger;
        int ret = -ENOENT;
 
+       if (pf == NFPROTO_INET) {
+               ret = nf_logger_find_get(NFPROTO_IPV4, type);
+               if (ret < 0)
+                       return ret;
+
+               ret = nf_logger_find_get(NFPROTO_IPV6, type);
+               if (ret < 0) {
+                       nf_logger_put(NFPROTO_IPV4, type);
+                       return ret;
+               }
+
+               return 0;
+       }
+
        if (rcu_access_pointer(loggers[pf][type]) == NULL)
                request_module("nf-logger-%u-%u", pf, type);
 
@@ -179,6 +193,12 @@ void nf_logger_put(int pf, enum nf_log_type type)
 {
        struct nf_logger *logger;
 
+       if (pf == NFPROTO_INET) {
+               nf_logger_put(NFPROTO_IPV4, type);
+               nf_logger_put(NFPROTO_IPV6, type);
+               return;
+       }
+
        BUG_ON(loggers[pf][type] == NULL);
 
        rcu_read_lock();
-- 
2.5.5


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