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-rw-r--r--include/uapi/linux/netfilter/nf_log.h2
-rw-r--r--net/netfilter/nf_log.c1
-rw-r--r--net/netfilter/nft_log.c3
3 files changed, 4 insertions, 2 deletions
diff --git a/include/uapi/linux/netfilter/nf_log.h b/include/uapi/linux/netfilter/nf_log.h
index 8be21e02387d..d0b5fa91ff54 100644
--- a/include/uapi/linux/netfilter/nf_log.h
+++ b/include/uapi/linux/netfilter/nf_log.h
@@ -9,4 +9,6 @@
#define NF_LOG_MACDECODE 0x20 /* Decode MAC header */
#define NF_LOG_MASK 0x2f
+#define NF_LOG_PREFIXLEN 128
+
#endif /* _NETFILTER_NF_LOG_H */
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 3dca90dc24ad..ffb9e8ada899 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -13,7 +13,6 @@
/* Internal logging interface, which relies on the real
LOG target modules */
-#define NF_LOG_PREFIXLEN 128
#define NFLOGGER_NAME_LEN 64
static struct nf_logger __rcu *loggers[NFPROTO_NUMPROTO][NF_LOG_TYPE_MAX] __read_mostly;
diff --git a/net/netfilter/nft_log.c b/net/netfilter/nft_log.c
index 6271e40a3dd6..6f6e64423643 100644
--- a/net/netfilter/nft_log.c
+++ b/net/netfilter/nft_log.c
@@ -39,7 +39,8 @@ static void nft_log_eval(const struct nft_expr *expr,
static const struct nla_policy nft_log_policy[NFTA_LOG_MAX + 1] = {
[NFTA_LOG_GROUP] = { .type = NLA_U16 },
- [NFTA_LOG_PREFIX] = { .type = NLA_STRING },
+ [NFTA_LOG_PREFIX] = { .type = NLA_STRING,
+ .len = NF_LOG_PREFIXLEN - 1 },
[NFTA_LOG_SNAPLEN] = { .type = NLA_U32 },
[NFTA_LOG_QTHRESHOLD] = { .type = NLA_U16 },
[NFTA_LOG_LEVEL] = { .type = NLA_U32 },