[NETFILTER]: nfnetlink_log: fix some constants

Fix timeout (one second is 1 * HZ) and convert max packet copy length
to #defined constant.

Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 7 deletions

diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 16ae53918606..2135926199ca 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -37,8 +37,9 @@
 #endif
 
 #define NFULNL_NLBUFSIZ_DEFAULT NLMSG_GOODSIZE
-#define NFULNL_TIMEOUT_DEFAULT  100     /* every second */
+#define NFULNL_TIMEOUT_DEFAULT  HZ      /* every second */
 #define NFULNL_QTHRESH_DEFAULT  100     /* 100 packets */
+#define NFULNL_COPY_RANGE_MAX   0xFFFF  /* max packet size is limited by 16-bit struct nfattr nfa_len field */
 
 #define PRINTR(x, args...)      do { if (net_ratelimit()) \
                                      printk(x, ## args); } while (0);
@@ -171,7 +172,7 @@ instance_create(u_int16_t group_num, int pid)
         inst->flushtimeout      = NFULNL_TIMEOUT_DEFAULT;
         inst->nlbufsiz          = NFULNL_NLBUFSIZ_DEFAULT;
         inst->copy_mode         = NFULNL_COPY_PACKET;
-        inst->copy_range        = 0xffff;
+        inst->copy_range        = NFULNL_COPY_RANGE_MAX;
 
         hlist_add_head(&inst->hlist,
                        &instance_table[instance_hashfn(group_num)]);
@@ -235,11 +236,8 @@ nfulnl_set_mode(struct nfulnl_instance *inst, u_int8_t mode,
 
         case NFULNL_COPY_PACKET:
                 inst->copy_mode = mode;
-                /* we're using struct nlattr which has 16bit nfa_len */
-                if (range > 0xffff)
-                        inst->copy_range = 0xffff;
-                else
-                        inst->copy_range = range;
+                inst->copy_range = min_t(unsigned int,
+                                         range, NFULNL_COPY_RANGE_MAX);
                 break;
 
         default: