netfilter: ipt_LOG/ip6t_LOG: remove comparison within loop

Remove the comparison within the loop to print the macheader by prepending
the colon to all but the first printk.

Based on suggestion by Jan Engelhardt <jengelh@medozas.de>.

Signed-off-by: Patrick McHardy <kaber@trash.net>

2 files changed, 9 insertions, 9 deletions

diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index 5234f4f3499a..0a452a54adbe 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -411,12 +411,12 @@ ipt_log_packet(u_int8_t pf,
                     skb->mac_header != skb->network_header) {
                         int i;
                         const unsigned char *p = skb_mac_header(skb);
-                        for (i = 0; i < skb->dev->hard_header_len; i++,p++)
-                                printk("%02x%c", *p,
-                                       i==skb->dev->hard_header_len - 1
-                                       ? ' ':':');
-                } else
-                        printk(" ");
+
+                        printk("%02x", *p++);
+                        for (i = 1; i < skb->dev->hard_header_len; i++, p++)
+                                printk(":%02x", *p);
+                }
+                printk(" ");
         }
 
         dump_packet(loginfo, skb, 0);
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index af4ee11f2066..4c7ddac7c62b 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -414,9 +414,9 @@ ip6t_log_packet(u_int8_t pf,
                                 p = NULL;
 
                         if (p != NULL) {
-                                for (i = 0; i < len; i++)
-                                        printk("%02x%s", p[i],
-                                               i == len - 1 ? "" : ":");
+                                printk("%02x", *p++);
+                                for (i = 1; i < len; i++)
+                                        printk(":%02x", p[i]);
                         }
                         printk(" ");