[NETFILTER]: fix format specifier for netfilter log targets

The prefix argument for nf_log_packet is a format specifier,
so don't pass the user defined string directly to it.

Signed-off-by: Philip Craig <philipc@snapgear.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 3 insertions, 3 deletions

diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c
index d159c92cca84..466ed3440b74 100644
--- a/net/bridge/netfilter/ebt_log.c
+++ b/net/bridge/netfilter/ebt_log.c
@@ -168,7 +168,7 @@ static void ebt_log(const struct sk_buff *skb, unsigned int hooknr,
 
         if (info->bitmask & EBT_LOG_NFLOG)
                 nf_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li,
-                              info->prefix);
+                              "%s", info->prefix);
         else
                 ebt_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li,
                                info->prefix);
diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index 39fd4c2a2386..b98f7b08b084 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -428,7 +428,7 @@ ipt_log_target(struct sk_buff **pskb,
 
         if (loginfo->logflags & IPT_LOG_NFLOG)
                 nf_log_packet(PF_INET, hooknum, *pskb, in, out, &li,
-                              loginfo->prefix);
+                              "%s", loginfo->prefix);
         else
                 ipt_log_packet(PF_INET, hooknum, *pskb, in, out, &li,
                                loginfo->prefix);
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index a96c0de14b00..73c6300109d6 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -439,7 +439,7 @@ ip6t_log_target(struct sk_buff **pskb,
 
         if (loginfo->logflags & IP6T_LOG_NFLOG)
                 nf_log_packet(PF_INET6, hooknum, *pskb, in, out, &li,
-                              loginfo->prefix);
+                              "%s", loginfo->prefix);
         else
                 ip6t_log_packet(PF_INET6, hooknum, *pskb, in, out, &li,
                                 loginfo->prefix);